This is one of the topics nobody wants to deal with, but after 25+ years in the hobby it’s something I’ve had to think through more than once. When a fish is suffering from a terminal illness, severe injury, or irreversible organ failure, the humane thing is to end that suffering rather than let it play out. The methods that get passed around online. flushing, freezing, alcohol. are not humane and cause unnecessary distress. There’s one method that is actually considered humane and painless, and that’s clove oil. I’ll cover it clearly so you know exactly what to do when you need to.
Key Takeaways
It’s never easy saying goodbye to a pet, but some aquarium fish are especially near and dear to our hearts.
Always try your best to save your fish. Even fish on the brink of death have been able to make a full recovery given immediate and extreme treatment.
If you’ve done everything you can for your aquarium fish, then it may be time to humanely euthanize them.
Administering clove oil is currently the most recommended method to humanely euthanize your fish.
Signs Your Fish Is Dying
It’s important to note that euthanizing fish should only be used as a last resort. These methods are meant to help a fish move on when it has no more fight left to give. Until then, you should try to save your fish in every way possible.
If it’s your fish’s time, then there’s not much you can do besides make things easier. But how do you know it’s time to make that decision?
Aquarium fish are very resilient. Many species have been bred in the aquarium hobby for decades, leading them to survive some of the most common diseases time after time. There are a few symptoms that could mean your fish is in its last days, though.
Laying on the substrate. Aquarium fish should never find themselves at the bottom of the tank. A fish that’s lying on its side at the bottom of the tank is likely exhausted and unable to hold itself up. However, if your fish still swims away when disturbed, there is a chance that you can save it with immediate and extreme treatment methods.
Gasping for air. This usually goes hand in hand with laying on the substrate. Gasping for air is commonly a sign of affected gills, trauma, or a compromised immune system. At the same time, rapid gill movement can also be present in an upright-swimming fish. In most cases, this is a sign of poor water quality and can be reversed through large, scheduled water changes.
Getting stuck in aquarium equipment. One of the most notorious aquarium fish for getting stuck in equipment is the neon tetra. If your fish gets pulled in by an intake valve, then it was most likely already sick. Unfortunately, this may not immediately kill the fish and lead to a slow death.
Discolored and tattered appearance. Almost any fish that isn’t healthy will display signs of discoloration. A dying fish may be ghostly white with cuts and scrapes across its body and fins. Though this damage may look intense, as long as your pet fish is swimming, there is a chance to save it.
Bullied by other fish and invertebrates. Even healthy fish can be bullied by other tank mates if not in ideal aquarium conditions. But a sick fish that has trouble escaping from harassment may be a sign that its health is quickly deteriorating. If the fish can be saved, it’s recommended to remove them to a quarantine system as quickly as possible.
Abnormal behavior. Lastly, abnormal behavior can be a sign that your fish’s life is coming to an end. This can mean lethargy, lack of appetite, or swimming around in the front of the tank once the aquarium lights have gone out.
Many of these symptoms happen at the same time and overlap. They can be caused by a plethora of diseases, illnesses, parasites, and infections. Some fish might even experience two or more serious ailments at the same time. Try to find the cause behind your sick fish and treat it accordingly as soon as you can.
In most cases, this involves setting up a quarantine system and dosing medications. It can also mean frequent water changes, dips, and temperature gauging. Some fish owners might even perform surgery on their fish before they give up on their pet.
If you’ve tried everything and your pet fish still doesn’t recover, then it’s time to look at how to euthanize a fish in the most humane ways possible.
Most Humane Ways
It’s not easy to know when to euthanize your fish, but it’s important to know how to do it just in case it becomes necessary. Euthanizing fish is a highly debated topic within the aquarium hobby. Some fish owners think the act should be quick and fast while others think it’s best to lull the fish to sleep using either chemicals or temperature differences.
Though we won’t go into the morality of the topic, we do believe there are some better and more humane methods than others. The American Veterinary Medical Association (AVMA) recommends several solution-based euthanization methods1, including prescribed anesthetics and clove oil dosing.
Some of these fish euthanasia methods do require additional supplies. Keep in mind that by the time you purchase the items needed to humanely kill your fish, the opportunity may already have passed.
1. Clove Oil
As of right now, the clove oil method seems to be the most effective and gentlest way to euthanize a fish. Clove oil is an aromatic oil that is extracted from flowers from a clove tree (Syzygium aromaticum). It can readily be found at local grocery stores or pharmacies.
Clove oil works as a sedative for aquarium fish. In fact, some fish owners use lower doses of clove oil to cause the fish to be temporarily sedated for surgery. In larger doses, clove oil becomes deadly.
Simply place the dying fish in a container. Mix some tank water with the 10 drops of clove oil in a separate container. Combine the milky-white clove oil mixture in the container holding your fish. Shortly after, your fish should be sedated. If another few minutes pass and your fish is still breathing, add 5 more drops. Continue this until your fish has slipped away.
Unfortunately, clove oil isn’t very soluble in water. For the best and most concentrated effects, it’s best to administer the clove oil into the fish with a syringe. However, if you don’t have a syringe, then the clove oil water mix will work just as well.
This method is the current preferred method for euthanizing a fish for most hobbyists. It allows the fish to lose consciousness and quickly pass.
Clove Oil and Alka Seltzer
To make sure that the clove oil method is completely effective, it’s recommended to follow dosing with alka seltzer. Using clove oil alone for euthanizing fish can take a while, and it’s possible that your fish wakes up after a long sleep.
Alka seltzer works by introducing carbon dioxide into the water and expelling oxygen, leaving your fish with no air to breathe. It is not recommended to dose alka seltzer alone as suffocating can be painful for the fish.
2. Prescribed Anesthetics
If you have access to medical anesthetics, then they should be used to humanely euthanize your fish. Some of these concentrations include benzocaine hydrochloride and tricaine methanesulfonate.
Of course, very few hobbyists have access to these solutions. However, they are some of the best ways to euthanize your fish according to the American Veterinary Medical Association.
In the same way clove oil works, an overdose of prescribed anesthetics causes the sick fish to lose consciousness until it gently slips away.
3. Barbiturates
Another way a medical professional might euthanize a fish is by injecting it with barbiturates, or a depressant drug. This helps the fish relax and eventually pass away. Like prescribed anesthetics, barbiturates can only be obtained in a professional medical setting.
Inhumane Ways
Unfortunately, the best ways of how to euthanize a fish have been found through trial and error. Aquarium fish feel more than we think, and we’re still figuring out how to make their transition painless. Through the years, fish owners have discovered methods that cause painful death.
How can you tell that an aquarium fish is suffering during euthanization?
It’s hard to read a fish’s body, especially if they’ve been sick. However, a peaceful death should be quiet and relaxed. The fish should not react to what’s happening. If the fish’s behavior changes in any way, like gasping for air, sudden body movements, trying to escape the container or frantic swimming, then they are probably experiencing a slow death.
No matter which method of euthanization you choose to help your sick fish with, always make sure that it’s painless. That being said, here are some of the ways to not try euthanizing fish.
1. Stun and Sever
If chemical products or medications aren’t available, some hobbyists might resort to brute force to kill fish. This is never recommended, especially when performed in a volatile manner.
Unfortunately, many videos have been made popular due to hobbyists slamming their tropical fish on a hard surface to stun them and then severing them. Many things can go wrong during this lengthy process, all while your fish may still be awake.
2. Decapitation
Similarly, some hobbyists use a sharp knife or hammer to quickly end their fish’s life. While this is definitely more humane than brutally stunning and severing the fish, decapitation can still result in failure which causes unnecessary pain.
Though we list decapitation as an inhumane method of euthanizing fish, as long as you can guarantee a quick and painless death, this method is one of the best.
3. Ice Water Bath
Another common method of how to euthanize a fish used to be an ice bath or freezing the fish. For the most part, this was considered humane before hobbyists knew how painful this could actually be. The theory was that the fish’s bodily processes would slow down until they were unable to work altogether.
The truth is that ice crystals slowly form in the fish’s bloodstream and cells and become very painful. This is a slow death and your fish feels the majority of it.
4. Flushing Down The Toilet
You’ve probably seen it in movies: flushing a pet fish down the toilet once it’s gone belly up.
No matter which way you put it, live or dead fish are not supposed to enter the sewage system. If you have any doubt as to whether your fish is alive or dead, do not flush it down the toilet! And do not flush your fish down the toilet once it has died either.
If you flush a dying fish, you’ll cause a hard death. There are a few things that can kill your fish once you flush it down the toilet.
First, is water temperature. Toilets have cold water. A sick and dying fish will quickly succumb to a difference in water temperatures. Next, chlorine will help kill your fish. Chlorine is toxic and typically needs to be removed from a fish tank. However, toilet water contains chlorine, which will quickly burn the gills and internal organs of your fish.
If the temperature or chemicals don’t get your fish, then they’ll die due to other bacteria and water treatments.
5. Carbon Dioxide
There are a few ways a fish can be killed with carbon dioxide, but none of them are recommended. Any death by carbon dioxide (CO2) is through suffocation, which is a long and painful experience for the fish.
The first method of killing fish through carbon dioxide is by placing an alka seltzer in the water without any other anesthetic. As mentioned before, this is a good method when used together with a sedative, but alone, causes CO2 to fill the water and expel oxygen.
Similarly, some hobbyists pump pure carbon dioxide directly into the water. These pumps are available for planted aquariums but can be used for overdose as well. This method is very difficult to gauge and can be pretty costly!
Related to carbon dioxide suffocation, some fish owners simply remove their fish from the water altogether. Fish cannot process atmospheric air and they suffocate, which also takes a considerable amount of time.
6. Boiling Water
While boiling water is an acceptable method to kill lobster and crabs (though, it shouldn’t be), heating your fish up to the point of death is also inhumane. Some hobbyists have poured boiling water over their fish while others have boiled the water with the sick fish in it.
No matter the method, using hot water to kill fish is incredibly painful. When placed in hot temperature, the fish’s gills close. This allows them to keep consciousness for longer than you might think. Proteins in the fish’s body also become stiff over time, which is felt by the fish.
7. Alcohol
Killing fish with alcohol, namely ethanol, is one of the most controversial methods currently in conversation. This is because fish don’t seem to react much when placed in alcohol.
However, the process isn’t completely painless and that’s why we don’t recommend it alone. Instead, first use an anesthetic, like clove oil, and then follow with alcohol to ensure that the fish has died.
How Do You Know Your Fish Has Passed?
It’s easy to spot a dead fish, but it’s harder to tell when a dying fish has turned into a dead fish. No, cartoon x’s won’t appear over their eyes and they won’t go belly up at the water surface.
Instead, gill movement will stop. The eyes will sink and the pupils will be fixed and sometimes dilated. There will be no reaction when you touch the fish and the body will soon become stiff.
If you ever doubt that your fish is dead with one of these methods, continue to add the given solution. Also, wait at least 10 minutes before additional doses to ensure they have time to take effect.
What Do You Do With A Dead Fish?
When you’re certain your fish has died, place it in a plastic bag and put it in the garbage or hold a funeral in your backyard. If you have the means, you may also cremate your dead fish. This is especially preferred if the fish suffered from extreme disease or illness.
Conclusion
If you’re looking up how to euthanize a fish humanely, it’s most likely time for your fish to go. Before you say goodbye to your pet fish though, make sure that you’ve done everything you possibly can to save its life. If there’s nothing more you can do, administer clove oil as this is the current most painless way to euthanize fish. Then, take time to appreciate your fish’s life and everything they gave to you.
🐟 Want to learn more? This article is part of our complete Aquarium Care Guide. your ultimate resource for water chemistry, maintenance, feeding, disease prevention, and everything you need for a healthy tank.
Freshwater stingrays need a tank footprint measured in feet, not inches. A 6-foot long, 2-foot wide tank is the starting point, not the goal. They have venomous barbs, eat expensive food, and produce massive waste.
If your tank does not have a 6-foot footprint, do not consider a freshwater stingray.
What It Is Actually Like Living With Freshwater Stingray
Oddball fish are the fish that visitors notice first. Nobody glances at this tank and keeps walking. They stop, stare, and ask questions. Be prepared to explain what you are keeping multiple times a week.
Feeding is an event. Many oddballs are predators that hunt live or frozen food with visible intensity. Watching this fish track and strike at prey is one of the most dramatic moments in fishkeeping.
These fish grow fast and steadily. One month it fits comfortably. Three months later, you are researching larger tanks. The growth rate catches new owners off guard every single time.
Oddball fish often recognize their owners. They approach the glass when you enter the room, accept food from your hand, and display behaviors that feel remarkably personal. That connection is why oddball keepers rarely go back to community tanks.
The Freshwater Stingray is the kind of fish that makes experienced keepers stop and stare. This is not a beginner species. It requires specific conditions, a specific tank, and a keeper who understands what they are signing up for. After 25 years in the hobby, I still consider this one of the most fascinating fish you can own.
This fish will outgrow your plans. Accept that before you buy it.
Freshwater stingrays are not display fish you set and forget. They need massive tanks, pristine water, and a keeper who understands that the sting is real and medical attention is not optional.
This fish lives a long time, grows large, and demands a dedicated setup. The commitment is real and the costs add up over years, not months.
Oddball fish are not conversation starters. They are conversation dominators. Guests will stare at this tank for twenty minutes.
What Most Care Guides Get Wrong About Freshwater Stingray
Want a conversation piece? Get this fish. Want easy maintenance? Get community fish instead. There is no middle ground with oddball species.
Most care sheets list the minimum tank size for Freshwater Stingray and call it a day. But a minimum is just that. In my experience, giving them more room changes their behavior completely. You see more natural movement, less stress, and fewer aggression issues. Another thing guides gloss over is temperament. Freshwater Stingray are often described with a single label, but their behavior shifts depending on tank size, tank mates, and territory. You need to plan for the worst-case scenario, not the best. Group size is another area where most guides fall short. Saying ‘keep them in groups’ is not enough. The difference between keeping 3 and keeping 8 or more is night and day when it comes to coloration, confidence, and natural behavior.
The Reality of Keeping Freshwater Stingray
Tank size requirements are extreme. Most oddball fish grow large, fast, and need significantly more space than beginners expect. A 2-inch juvenile will eventually need hundreds of gallons. Research adult size before purchasing, not juvenile size.
Diet is specialized. Many oddball fish are predators that need live or frozen foods. Some refuse pellets entirely. Feeding costs for large predatory fish add up quickly over the life of the fish.
Tankmate compatibility is extremely limited. Most oddball fish are either predators that eat smaller fish or territorial species that attack anything in their space. Community setups require careful size matching.
Biggest Mistake New Owners Make
Buying a juvenile oddball fish without understanding its adult size. That cute 3-inch fish at the store will be 18 inches long within two years and need a tank most people cannot afford or fit in their home.
Expert Take
Before you buy any oddball fish, look up its adult size and multiply your expected tank cost by three. That is the realistic budget for keeping this fish properly.
Key Takeaways
Freshwater stingrays are very personable fish that is an aquarium option for experienced keepers.
These fish require large aquarium setups with ample filtration. They also need a wide variety of live and frozen food options.
Freshwater stingrays is kept with other stingrays, but don’t do well when mixed with upper water level swimmers.
Surprisingly, freshwater rays are able and willing to mate in captivity. However, raising the pups takes a lot of space and dedication.
An Overview
Common Names
Freshwater stingray, River stingray
Colors
Black, brown, yellow
Family
Potamotrygonidae family, Dasyatidae family
Origin
South America, Africa, Australia, Asia
Diet
Omnivore
Care Level
Difficult
Activity
Medium
Lifespan
10+ years
Temperament
Aggressive
Tank Level
Bottom
Minimum Tank Size
300 gallons
Temperature Range
75. 82° F
Water Hardness
6. 14 dGH
pH Range
6.5. 7.5
Filtration/Water Flow
Moderate
Water Type
Freshwater
Breeding
Ovoviviparous
Difficulty to Breed
Moderate
Compatibility
Limited
OK, for Planted Tanks?
No
Classification
Order
Myliobatiformes
Family
Potamotrygonidae
Genus
Potamotrygon
Species
Multiple species (Garman, 1877)
Introduction
Stingrays aren’t just for your local aquarium. Given the right tank setup, these massive fish–yes, they’re fish–is kept in your home. That isn’t to say they’re easy to keep, though.
There are about 35 known species of freshwater stingray. This is only a fraction of the number of discovered saltwater stingrays, which surpasses 200 individual species. Freshwater stingrays are largely categorized into two separate scientific families: the Potamotrygonidae family and the Dasyatidae family.
Members of the Potamotrygonidae family are found only in South America. This group contains the majority of known freshwater stingrays and subsequently some of the most popular Amazonian species available. The Dasyatidae family, commonly known as the whiptail stingrays, includes species from across Africa, Asia, and Australia. These fish get their name from their very long tails, which are longer than the width of their bodies.
You may know this already, but stingrays are actually elasmobranchs, meaning that they’re very closely related to sharks and skates. This means that they have a cartilaginous skeleton. Stingrays should not be confused with skates. Skates do not occur in freshwater or brackish water, have shorter stubbier tails, and often broader pectoral fins. Skates aren’t available for sale in the aquarium trade.
But can you have a pet freshwater stingray?
Yes! You can have freshwater stingrays in your aquarium only if you have the means to keep them. These are large, messy fish that are demanding in filtration and space. They need a high-protein diet with tons of variety and frequency. Both freshwater and saltwater stingrays have been kept in the aquarium, but freshwater rays are more popular and readily available.
Saltwater vs. Freshwater
Before you buy a stingray, you should know everything there is to know about them. These are expensive, demanding fish, that oftentimes require a permit to own. Always make sure to check with your local laws about owning a freshwater or saltwater stingray1.
There are a few major differences between freshwater and saltwater stingrays which largely arise from the conditions they live in.
Freshwater stingrays have neutral colors, consisting of blacks, browns, and yellows. These colors are great representations of the natural murky river water conditions these rays originate from. In contrast, saltwater stingrays are lighter in color and often feature blue accents that help them blend into the bottom of the sea bed.
Both freshwater and saltwater stingrays can grow to massive sizes. However, the largest freshwater stingray size ever recorded was a 661-lb giant freshwater stingray (Urogymnus polylepis).
Are freshwater stingrays venomous?
Yes, both freshwater and saltwater stingrays are venomous. These fish have a very hard cartilaginous venomous barb on their tails that they use for protection. As stingrays live on the bottom of the substrate, they need a way to protect themselves from predators above them, like their main threat of sharks.
Most times, stingrays won’t resort to using their barbs if they don’t have to. This is a defense mechanism that is used if they are about to be stepped on or eaten. The barb is sealed with venom which breaks open when hit into another object. Along with the stingray venom, pieces of the barb may also get stuck in the opposing threat.
Though freshwater stingray venom secreted by the barb is not immediately deadly to humans, the trauma caused by the puncture is. Saltwater and freshwater stingray barbs is removed from the tail by professionals but will need to be clipped or removed again in a few months. In general, practicing stingray safety is a better option than intentionally hurting the fish in an aquarium setting.
Origins And Habitat
Want a conversation piece? Get this fish. Want easy maintenance? Get community fish instead. There is no middle ground with oddball species.
Different freshwater stingray species will be grouped under the larger umbrella term of river stingray. This is because these monster bottom-dwellers lurk on the bottom of freshwater rivers and canals all across the world!
Freshwater stingrays is found on every continent besides Antarctica; members of the Dasyatidae family originate from Africa, Asia, and Australia while Potamotrygonidae are confined to South America.
These stingrays have perfectly adapted to a wide variety of environmental conditions, especially those found in flooded forest areas. They is found in slow-moving or fast waters, clear or murky conditions, shallow or deep water levels, and smooth or rocky bottoms. A few species live close to coastal regions that allow them to wander into brackish and saltwater conditions for short periods.
As we’ll see, the colors and patterns on each species of stingray can tell a lot about their natural habitat.
Appearance
Freshwater stingrays are very easy to distinguish from other rays in saltwater. This is especially true as most species have been bred to show the best color combinations possible.
Many freshwater stingray species available in the aquarium trade are Potamotrygon species. Here are some of the most common species of river stingray you’re likely to come across for sale from specialized breeders:
Black diamond stingray (Potamotrygon leopoldi). Also known as the Xingu River ray or polka-dot stingray, the black diamond stingray originates from the Xingu River basin in Brazil. These fish can grow to be 16 inches in width and feature a dark black body with many small yellowish-white dispersed spots across the back and onto the tail. They originate from clear waterways with rocky substrates.
Ocellate river stingray (Potamotrygon motoro). The ocellate river stingray is commonly known as the motoro stingray, black river stingray, or peacock-eye stingray. This freshwater stingray has a wide distribution across most of northern South America. Depending on where your Potamotrygon motoro originates from, its appearance can vary greatly in terms of color and pattern. In general, these stingrays have a light or dark base color with light yellow spots encircled in darker brown. The ocellate stingray can grow to be nearly 2 feet in width.
Pearl stingray (Potamotrygon jabuti). Not to be confused with its saltwater counterpart, the pearl stingray (Dasyatis margaritella), freshwater pearl stingrays originate from a particular river system in Brazil called the Tapajós River. They are similar in appearance to the ocellate river stingray but have many more bordered circles across their bodies. When looking at these spots, you will notice that the center is yellowish-white. This is surrounded by a darker ring that is then enclosed by another lighter ring. Pearl stingrays are very likely to exhibit albinism.
How Big Do They Get?
Freshwater stingrays are huge fish. So much so that they’re regarded as monster fish.
As mentioned before, the largest freshwater stingray was a giant stingray that weighed over 600 lbs and measured 13 feet long. While most captive-bred stingrays stay well under this extreme, keeping freshwater stingrays is no easy task.
Most freshwater stingray species grow to be at least a foot in width and even bigger in length. Males don’t grow as large as females, which is desirable for hobbyists more limited in space. Males can easily be distinguished by the two claspers that fall under their tails.
While juvenile stingrays might look manageable to keep in a smaller aquarium, these fish should never be kept in anything that’s not fit for their adult size!
Tank Requirements
Want a conversation piece? Get this fish. Want easy maintenance? Get community fish instead. There is no middle ground with oddball species.
Are freshwater stingrays hard to take care of?
Yes, freshwater stingrays is challenging to take care of. Though these fish have been successfully captive-bred, they are still extremely sensitive to incorrect and fluctuating water parameters. Adult fish also grow to extreme sizes, which is difficult to house and feed.
In general, any species of freshwater stingray should only be kept by expert hobbyists.
Tank Size
Freshwater rays are bottom-dwellers that will rarely leave the comfort of the bottom of the tank. Because of this, they need more horizontal space than vertical space.
Adult freshwater stingrays require a tank that is at least 8 x 4 feet. These dimensions will comfortably fit a pair of moderately-sized species. A 6 x 3 foot aquarium can temporarily house young freshwater stingray pups, but this should never become more than temporary housing.
Aquarium Setup
Keeping freshwater stingrays is an oxymoron: they are very difficult fish to keep but don’t actually require an intricate aquarium setup. A stingray tank needs to be big with plenty of space and water volume.
In terms of decoration, the less the better. If there’s anything that your stingray could possibly injure itself on in the tank, it will find a way. Rocks, driftwood, and other typical aquarium decorations should not be added. The tank should be fully bare to allow for the most swimming space and the least risk of injury.
Water Parameters
Freshwater stingrays require pristine water quality at all times. That isn’t to say freshwater stingrays aren’t hardy, but water parameters can change quickly in a stingray tank.
Stingrays are very messy fish that eat a lot and create a lot of waste in return. Not only does a ton of ammonia enter the water column from uneaten food and waste, but stingrays have also evolved to release ammonia from their body for osmoregulation.
Stingrays originated from saltwater conditions and adapted to freshwater over time. They managed to do this by evolving rectal glands that excrete excess urea and ammonia produced in the body to create a balance between internal and external pressures. As a result, ammonia spikes in the water.
Freshwater stingrays cannot tolerate ammonia and can quickly succumb to incorrect water parameters. Ammonia and nitrite should always remain at 0 ppm. Nitrate should always stay under 40 ppm.
To keep up with this influx, frequent water changes are required. Some stingray owners perform daily 60-70% water changes. How often you need to clean your stingray tank will be determined by the overall water volume available, the number of stingrays in the aquarium, and how often and how much they are fed.
One water parameter freshwater stingrays are more tolerable of is pH. This is because some species of freshwater stingray regularly move between freshwater, brackish, and saltwater conditions where pH is constantly fluctuating. In general, the preferred pH for freshwater stingrays is between 6.5 and 7.5. As long as the level stays stable though, they are likely able to adapt to values outside this range.
As freshwater stingrays originate from tropical regions, water temperature should always remain between 75 and 82° F.
Filtration and Aeration
The most important part of a freshwater stingray tank is the filtration. These fish need huge filtration, meaning that a sump filtration system is often the best pick.
A sump allows for the most water volume possible, which is essential due to freshwater stingrays excreting ammonia directly into the water column. External filtration systems also allows for space to keep aquarium equipment out of the display, which could become dangerous for curious rays; a tank heater can easily burn fins and tails!
Lighting
In addition to being nocturnal, freshwater stingrays are sensitive to high lighting. As these fish can’t be kept with live plants due to them rummaging through the substrate, there is no reason to keep them under intense lighting.
Substrate
Next to filtration, the substrate is a very important consideration for a freshwater stingray tank. There is some debate as to what is the right substrate for these fish.
Many stingray owners choose to keep a bare-bottom stingray display. This helps keep the tank clean, prevents the rays from kicking up the substrate, and exposes any shed stingray barbs that could become dangerous to handlers. On the other hand, a fine sand, like pool filter sand, can help stingrays show their true personalities.
No matter if you choose to keep a substrate or not in your freshwater stingray aquarium, there should never be any sharp edges that could injure your ray. This eliminates gravel and other larger rocks.
Temperament
We label our stingrays as aggressive, but these are actually gentle giants. As we’ll see, they’re labeled as aggressive because they can’t be safely kept with many other species.
Instead, stingrays are relaxed yet inquisitive. Most, if not all, species of freshwater stingrays are nocturnal, which means that they’ll be most active at night. Otherwise, they are likely to be found gliding along the tank floor and over each other in an attempt to find food.
Tank Mates
The best tank mates for freshwater stingrays are none. Stingrays are predators which means they’re always looking for their next meal, even if not intentionally. This means that any slow or small fish in the aquarium can quickly become a snack. At the same time, larger fish species can pick on rays and cause them injury.
Oscar Fish” class=”wp-image-1059319″/>
If planning to keep tank mates with freshwater stingrays, be prepared for a lot of trial and error. Experienced keepers have had luck keeping smaller rays with oscar fish, but this will be entirely dependent on the individual fish.
In general, the best tank mates for freshwater stingrays are other freshwater stingrays. These fish enjoy each other’s company, especially if they’re captive-bred. It’s best to mix the same species or similar species that come from the same regions of a river system to match preferred water parameters. Each stingray tank mate carries a ton of bioload along with them!
Diet
Want a conversation piece? Get this fish. Want easy maintenance? Get community fish instead. There is no middle ground with oddball species.
Freshwater stingrays will eat anything–that is, once you get them acclimated to your tank. A new freshwater stingray may be picky when introduced into your aquarium, especially if it is wild-caught.
If your wild-caught stingray refuses to eat prepared foods, then offer live and frozen foods once a day followed by prepared foods. Your freshwater stingray should eventually begin to accept prepared foods more willingly.
Otherwise, these fish eat anything you give them. They need a wide variety of foods, mainly consisting of live and frozen options. Experienced keepers find that a high-protein sinking carnivore pellet, like those from Hikari, is readily accepted by young rays. Once they get bigger, you will need to start preparing your own food options.
Some of the best stingray food options include blackworms, earthworms, insects, mysis shrimp, raw shrimp, mussels, clams, scallops, and other pieces of white fish. These options is frozen together to make protein-packed cubes that make for easy feeding. Leftover food should be immediately removed to keep water quality pristine.
Always make sure to watch your freshwater stingray eat before taking it home from the fish store!
Breeding
Breeding freshwater stingrays is possible in the home aquarium and rays are eager to begin if given the right conditions. Male and female stingrays can easily be told apart. Male stingrays are smaller and have specialized pelvic fins called claspers that are used for reproduction. Interestingly, female stingrays have two uteruses which allow them to have multiple litters from different males.
Once a pair has been established in an adequately-sized and well-fed aquarium, the pair will mate. Freshwater stingrays are ovoviviparous, which means that eggs are fertilized and hatched all while inside the female. Young freshwater stingray pups are then birthed live.
Once they have been birthed, the pups should be removed to their own tank and raised on high-quality foods.
Conclusion
Freshwater stingrays may not be the first fish species on your list to keep in your home aquarium setup. But if you have the space and filtration, then these are some of the most interesting fish to keep! They require a large aquarium and can’t be kept with other tank mates, but they have very fun and very unexpected personalities.
I’ve maintained koi ponds over the years but I’ve never built one myself. and my honest rule is I wouldn’t until I could do it right, which means going large. Undersized koi ponds are one of the most common mistakes in the hobby: koi grow big, produce enormous waste, and need serious filtration and water volume to stay healthy. The “small backyard pond” that looks charming in photos often becomes a maintenance nightmare within a season. That said, a properly built koi pond is genuinely one of the most rewarding projects in the hobby. it just requires planning, budget, and realistic expectations from the start. Here’s how to do it right in 11 steps.
Key Takeaways
The easiest way to build your first koi pond is with a complete kit
Bigger is always better, but anything larger than 1300 gallons will work for a few koi fish
A sterile pond is an unhealthy pond, a natural water garden with live plants is great for high water quality and a healthy pond ecosystem
Be sure to educate yourself on koi pond maintenance. These beautiful fish need ongoing care to stay healthy
Minimum Requirements
Koi are surprisingly hardy fish, but you’re going to need to stick within their parameters to keep them healthy in the long run. So what do koi need?
Space
Koi carp grow to about 24 inches in a healthy pond, but some can reach lengths of 36 inches, and that means they need plenty of room! The smallest recommended koi pond should hold at least 1000 gallons and be at least 2 feet deep.
Of course, a deeper and larger pond is better for your fish and easier for you to maintain, but that extra thousand gallons often goes beyond budget and space.
If you are willing to put in the work to maintain your koi pond and take any necessary steps to protect your fish, then a smaller pond could be just right for you.
Water Temperature
Koi are cold water fish. They are most comfortable in water temperatures of between 65 and 75 degrees Fahrenheit, although they can survive anything between about 35 and 90 degrees.
Maintaining your water temperature in its preferred range throughout the year is pretty impractical in many areas, but you’ll have the best chance if you build your pond in a partially shaded area and dig it deep enough to maintain more stable temperatures.
If you live in a really hot, tropical climate, koi fish aren’t your best choice. These are cool water fish and they’re just not going to thrive in really warm water when oxygen levels drop.
You can keep koi in cold areas, and they can survive even if the top of their pond freezes over. However, you’re going to need to keep a hole in the ice to allow for gas exchange.
The Ecosystem Concept – Lessons from Nature
Ecosystems are complex systems where many different plants, animals, algae, bacteria, and other life forms all work together to keep a stable environment where each species can survive.
Creating a fully functioning ecosystem that needs zero maintenance is practically impossible in a space as small as a koi pond, but you can get pretty close if you use good filtration and grow live plants.
The Benefits of Plants
Live plants are a feature of the natural koi fish habitat. Aquatic plants create an attractive natural environment and help to shade and shelter your fish from predators and full sun.
Live aquatic plants also attract many harmless and beneficial insects that keep your pond healthy and make a great natural food source for your fish.
Plants are also great for soaking up nitrates and phosphates in the pond water and improving oxygenation. Unfortunately, koi can be pretty hard on plants, so secure the plants by growing them in baskets.
If you really want a clean modern looking pond without many live plants, consider building a second small pond with live plants as a filter pond(vegetable pond). If both sections are the same level, you can simply pump the water from one section to the other and let gravity equalize the depths.
How to Choose Your Koi Pond Build Site – Key Considerations
Planning a backyard koi pond that your fish will love is important, but you have to enjoy it too! Keep these points in mind when choosing a spot:
Try to make your pond visible from your home, that way you can enjoy it even when the weather isn’t great. Placing it near your home also allows you to hear the water flowing if you have a waterfall setup.
Your pond needs water and electricity. Make sure these are available nearby.
Small pets and children can get in real trouble if they fall into a pond. Safety first!
Choosing a Shape
The final shape of your koi fish ponds mostly comes down to personal preference. Smooth rounded lines are more pleasing to the eye if you’re going for a natural look, and they also allow your pond fish to cruise around without swimming into corners.
Hardware and Materials
Unfortunately, setting up a great koi pond is a little more complicated than digging a pit, filling it with water, and throwing in some fish. You need some important equipment and materials to keep your pond water clean and your fish alive. Let’s look at the basics.
Liner
You’ll need to line the bottom of your pond to prevent the water soaking down into the ground, or mixing with fine substrates and turning muddy. The easiest and cheapest way to do this is to use a purpose-made pond liner.
EPDM pond liners are made from a flexible, fish-safe material that is not damaged by the sun and will not poison your fish. A 45 mil liner is recommended for a small koi pond. Before you line your koi pond, go ahead and add an underlayment layer to protect your pond liner from anything sharp that might damage it and cause leaks.
Pump
Your koi pond needs a pump to keep the water circulating. It will also suck water through your pond skimmer basket and push it through your biological filtration system.
Water flow keeps your pond oxygenated, cools it down, and prevents excessive algae growth. Your water pump is installed below the water level.
The simplest and easiest filter system for a DIY koi pond involves a waterfall feature and filter on one end of the pump, and a surface skimmer and submersible pump on the opposite end.
Basically, the pump creates suction that pulls leaves and other surface debris through the surface skimmer and sends clean water around the outside of the koi pond and up to the top of the waterfall. This water then flows through a filter before tumbling back into the pond and sends a current across to the skimmer on the other side to repeat the process.
Skimmer vs Bottom Drain
Leaves, dust, feathers, grass clippings, fish poop, and all sorts of other things collect and rot in koi ponds, so we need a way to remove them from the system. The favored method is to install a bottom drain (kind of like the drain of a bath tub) which allows you to suck up waste that settles on the bottom of the koi pond.
Installing a bottom drain is an excellent option, especially if you want to keep the bottom of your koi pond clean of silt. However, bottom drains are a little more complicated and require a few extra steps and costs to install.
One way of getting around this is to use a bottom pump that sits at the bottom of the koi pond and does basically the same job but without the extra plumbing and risks associated with putting a hole in your pond liner!
Another great option is to skip the bottom filtration altogether and run a surface skimmer. This creates a mechanical filter to trap most of the leaves and surface debris that land in your koi pond before it can sink to the bottom. However, you’ll still need to vacuum the bottom of your pond from time to time.
Complete Kits – The Easy DIY Route
So now you know a little more about the basics of koi needs, and what you need to set up a great backyard koi pond for a few fish. It’s time to start looking for equipment.
Now, you can shop around and match up your hardware on your own, or you can go for an all-in-one kit. I’ve already covered some of my favorite, complete kits in this Koi pond kit guide, so check it out if you’re looking for a great setup in the 1300 to 1900-gallon range.
How to Build a Koi Pond – 11 Simple Steps
It’s time to get building, but where do you start? Read on for a basic breakdown for installing a simple backyard koi pond.
We’re discussing basic, affordable koi ponds here that you can do yourself or with the help of a friend or contractor. If you want to go all out and build a very large and complex setup, it’s going to be worth your while to hire a professional pond installer from the start.
1. Budgeting and Planning
Do your planning and budgeting before you dive in and dig up your yard. Sure, you can start the process and take it step by step, but it’s much smarter to get everything you need from the get-go.
You’ll also need to make sure you’re permitted to build a koi pond in the first place1. This is especially important if you don’t own the land!
2. Choose Your Location
So you’ve done your planning, and you’re going to build a pond. Congratulations!
A pond is a permanent build, which means you can’t move it around if you’re not happy with the location. Take your time to choose a great spot, and run through some of the important considerations mentioned earlier in this guide.
Top tips
Choose a spot that you can see from your home
The site should have an electrical outlet and faucet nearby
3. Mark it Out
Once you have chosen your site, it’s time to mark out your pond. Choose a shape that compliments your outdoor space and avoid sharp angles that create dead spots of water flow and restrict your fish’s swimming space.
Remember to include the location of your waterfall and your skimmer pump and housing during this step.
Top tips
Choose a level site
Use a soft garden hose pipe and brightly colored spray paint to mark out your site
4. Get Digging
Your pond needs to be at least 2 feet deep, but 3 or more feet is much better if you have any predators around or if you live in a very cold climate. I supplied a video from Plant Abundance that shows the digging process.
Digging out a pond is a serious job, so you’re going to need to be physically fit, have a few friends or family members to help, or hire some equipment.
Remember to dig a spot for your pump and skimmer housing at one end of the pond, and a shallow trench for the pvc flex pipe that runs from the pump to the waterfall. Keep the dirt handy for landscaping around the pond, it’s great for building up a waterfall and for building gentle slopes for your plants.
Top tips
Contact your local utility company to find out about water and electricity lines before you start digging
Think about where you’re going to put all the dirt before you start digging
Dig terraces, not smooth slopes
Take your time and stay hydrated if it’s warm out
5. Add Your Underlayment and Liner
Start by installing your underlayment and then move on to your pond liner. Make sure there are no sharp rocks, staples, nails, or anything else that could puncture your rubber liner.
Allow the liners to sit loosely, and place a few rounded boulders at key spots to keep everything in place. You’ll want to leave about a foot of excess liner over the edge of your pond to prevent leaks and create a neat finish.
Top tips
Pond liner is tough stuff, but keep pick axes and other sharp heavy tools clear to prevent punctures
Allow your liner to heat up in the sun a little, it will be much softer and easier to shape
6. Install Your Pump and Skimmer
Next it’s time to fit all your plumbing together. Use teflon tape and a little silicon to create watertight connections and use cement to attach hoses that don’t have threaded connectors. Refer to the instructions on your pond kit for attaching the pond liner to your waterfall box and your pump housing.
Your pump box should be sunk level with your pond. Compact the soil at the bottom of this hole before installing this housing and tamp the soil into place when you back-fill around the sides of the box. This will keep it level and prevent settling earth.
Top tips
Hide your hardware with plants for a natural look, but make sure they are easily accessible for maintenance and cleaning
7. Create Your Waterfall
Use some of the excess soil you dug out of the pond to create a raised area on the opposite end of your pond. This will be your waterfall end where water flows in. Set your waterfall box in place and pack rocks to create a natural-looking slope leading up to the top of the box.
You may be tempted to create steep slopes to minimize space, but a gradual slope will look much more natural and make a great place to grow some beautiful plants.
Top tips
Compact the ground before placing your waterfall box- you don’t want it to tilt or lean as it settles
Use a level to make sure your waterfall outflow is level so that the water flows evenly over the lip
Make sure the hose coming from the pump is connected to the waterfall box before you build up the rock walls!
8. Add Your Filtration System
Unless you have an absolutely enormous pond (lake), you’re going to need to keep your water filtered to maintain a healthy pond environment for your fish and avoid green water.
You already have the water flow provided by the pump and the mechanical filtration of the skimmer basket, now you need some biological filtration media to house a strong beneficial bacteria colony.
There are various biological filtration options for koi ponds, but spend a few extra dollars and choose a good quality product that fits neatly in your waterfall box. This media will support the nitrogen cycle and maintain a healthy pond environment for your koi fish.
9. Add Rocks and Gravel
Once your koi fish pond has been dug, lined, and plumbed, it’s time to get those creative juices flowing and pack in some rocks to create a natural water feature. The terraces you dug into the slopes of your pond are going to come in handy now to create stable levels for stacking rocks.
Fill in the spaces between the rocks with gravel and rocky soil to create a natural look and hide the black liner below.
Top tips
Be careful with heavy boulders! Steel-toed boots can help protect your feet, but any shoes are better than nothing
Use rounded rocks to protect your pond liner from cuts and scratches
10. Add Plants
Ok, this step is optional, but we love aquatic plants here at AquariumStoreDepot, and so do your fish! Plant manageable, dry land plants around the perimeter of your pond in a natural and random pattern. Use plants to cover up the slopes leading up to your waterfall for a much more natural and attractive look.
Rember to grow some plants in the water too. Live plants give off oxygen to help create a naturally aerated pond. Floating plants like lily pads are also great because they protect your fish from sun exposure and predators.
Top tips
Choose plants that resprout after the winter
Do your research and avoid invasive plants that might escape into local waterways
11. Fill and Neaten
After you have covered the bottom of the entire pond and all your hardware is installed, fill the pond to its final level.
Your backyard oasis is really coming together now and it’s time to neaten up the edge of the pond. Fold the liner over and pack dirt and gravel to sure it up and cover the edge.
Lastly, clean up the area and grab a soda. Soak up the moment when you switch on the pump and watch the waterfall flow into your very own backyard koi pond!
Top tips
Add a dechlorinator to make your water safe for your fish and use a beneficial bacteria starter to jump-start the nitrogen cycle in your koi pond.
FAQs
How deep should a koi pond be?
Koi ponds should be at least three feet deep. However, you can get away with two or two and a half feet if you provide loads of cover and protect your fish from predators.
How much does it cost to build your own koi pond?
Building your own backyard pond can cost less than a thousand dollars or completely empty your bank account, it all depends on the size and quality of your components. Look at spending a minimum of $1500 dollars to set up a simple kit-based koi pond for a few fish.
Can I build a koi pond myself?
Yes, you can build your own backyard pond. However, it’s important to be realistic about the scale and complexity of the koi fish pond you can build without professional help. Starting with a complete koi fish pond kit is usually the most effective way of building your first backyard pond.
Can koi fish survive in a pond?
Koi fish are the ideal ornamental fish for backyard ponds because they are both beautiful and hardy. They do not require a pond heater, but all koi ponds require good water flow and adequate pond filtration systems.
Final Thoughts
Each pond is different, from the equipment used, to the outdoor space where you install it, and the creative vision of the person building it. This guide should get you on the right track to building your first koi pond. Just remember, be safe, and have fun!
Are you setting up a DIY koi pond? Tell us about your project in the comments below!
Air stones are one of those pieces of equipment that generate more debate than they probably deserve. My take: in a standard community or species tank with a HOB or canister filter providing surface agitation, an air stone is optional. In a heavily stocked tank or one with less surface movement, it can meaningfully improve dissolved oxygen levels. The one place I’d actually push back on using them is a CO2-injected planted tank during light hours. you’re paying to inject CO2 and then gassing it off at the surface simultaneously. At night when CO2 is off, running an air stone makes more sense. Context matters more than any blanket rule.
So if you’re serious about understanding what these devices are and why they are the one piece of equipment that should be in every tank, even if you just have a planted tank, then read on as I will be revealing some seriously important facts and killing a few fishy myths about air stones.
Key Takeaways
Air ‘stones’ are made from many materials other than stone
Air stones work through agitation, not diffusion
Air stones are necessary for all aquariums, even those without fish.
Introduction – What Are Aquarium Air Stones?
First off, an air stone, also known as a bubbler, is not always made from stone. In fact, more and more they are no longer being made of natural objects like silica, porous stones or lime wood, but rather glass, ceramics and even plastics are all being used to make these ‘stones’.
Secondly, although these stones do contribute to incorporating O2 into the water of your aquarium, this is not the result of the bubbles diffusing their oxygen into the water. At least not to the degree that everyone keeps saying it is.
Thirdly, air stones aren’t just there so your fish can breathe. Even planted tanks with no aquatic life other than the plants can still greatly benefit from having an air stone.
These cheap little devices do a lot! And they should be in every tank.
In fact, have you ever seen some breeding tanks, or even those tanks at a fish restaurant? They are usually completely bare of anything other than one thing, yup, an air stone. Just something to take note of.
Why Are They Important?
In order to really understand what an air stone is and why it’s imperative to include one in your tank, we’re going to briefly need to understand a little science.
Obviously for any tank to maintain aquatic life there needs to be some oxygen in the water.
Depending on a number of factors including how many fish you’re keeping, plant life and the consistency and size of water changes all play a role in the amount of O2 that is either absorbed or expelled into the water.
But another part of having fish and even plants is the CO2 they themselves expel. Plants can do a lot to absorb CO2 in a fish tank, but at night, they are releasing CO2 as well as your fish. So excess carbon dioxide needs to be taken out while the oxygen needs to be put in.
In order to do this we need to create an environment that includes optimal gas exchange.
And optimal exchange occurs due to agitation of the water’s surface, not because air bubbles are diffusing dissolved oxygen into the water from your air stone.
Both O2 and CO2 levels need to be optimized according to your tank requirements. And aquarium air stones are the very best and most cost effective way of doing this.
Why Are They So Effective?
In a recent scientific study, scientists concluded that water (such as in the ocean for this study) that is agitated from below the water’s surface creates a more efficient effect on absorbed oxygen levels. Or adding dissolved oxygen and expelling carbon dioxide from a body of water.
‘Breaking of the water surface from below has considerably more effect in increasing the exchange of oxygen…’ Although they did not understand exactly why this is the case, it definitely demonstrates why an air stone would be so effective.
This study also backs up an avid fish keeper’s theory in his video where he uses an oxygen meter to take readings from a bunch of different fish tanks all using different methods of aeration and surface agitation.
Although not as ‘scientific’ as the other study, he also came to the same conclusion that tanks with an air stone always had considerably more oxygen in their water than any other aeration method tried, by far.
So while your aquarium fish tank may benefit a tiny bit as the air bubbles rise diffusing into your water as they float to the top of your tank, it’s the action of the fine bubbles reaching the surface and causing disruption to the surface that is actually doing the work to produce more oxygen.
The bubbles bursting at the top of your tank speeds up the gas exchange allowing excess CO2 to escape while also absorbing oxygen. So the more bubbles and fizz happening, the better your fish tank will be oxygenated.
What Are Some Other Benefits?
Aquarium air stones aren’t just for increasing oxygen levels in your home aquarium. There are actually many benefits of having an air stone in your aquarium fish tank.
Often times there are places in a fish tank that you just can’t get to in order to clean. These sorts of spots collect debris and fish and plant matter that breaks down and releases CO2 and other harmful gases into the tank.
Aquarium air stones work to improve water circulation that keeps oxygenated water flowing throughout the entire water column, including any dead spots which is important for maintaining a healthy environment, especially in large aquariums.
The steady stream of tiny bubbles rushing up in your aquarium also looks nice and can be soothing to listen to. I always enjoyed the noise of my air stone at night and found it very relaxing, almost like waves on the ocean.
And I’ve even had fish that seemed to enjoy swimming in and out of the bubbles, almost like they were playing. Good exercise for them too if your fish are a bit fat!
How to Use Them?
Buying, installing and using an aquarium air stone is one of the easiest things you can do as an aquarist. And the most beneficial too!
When you get your new air stone, you’ll also need to grab an air pump to push air to your stone. Both the aquarium air stone and air pump can be found at any fish store and are only a few dollars. If you have the funds get one with a control valve so you can adjust the amount of air pressure.
For smaller aquariums, just get a cheap all in one set up that will work properly until you get more serious about the hobby. Just be sure the noise level isn’t too bad as some pumps can be really loud.
You’ll also need some tubing to connect the stone to the air pump. They’re usually clear plastic and again, they’re super cheap. The length depends on where you’ll place your air stones in the fish tank. There are a lot of options that are 25 feet of hose plus all types of connectors.
As far as what stone is the best or what material to buy, again, go with an inexpensive option in the beginning. Most air stones last up to 5 years plus and can be cleaned easily enough if they get clogged.
For the price, there really isn’t a ‘best’ material although I’d stay away from anything plastic and stick to natural materials like ceramic, glass or silica air stones.
How to Clean Them?
Although air stones are quite cheap and most aquarists just toss them in the garbage and buy new ones, they can be easily cleaned if they start clogging up or just get really dirty with algae.
One of the easiest ways to clean an old air stone is to soak it in hydrogen peroxide overnight. In the morning rinse it off in fresh water for five minutes then let it completely air dry. Once dry, it’s clean enough to go back into your aquarium.
If you have hard water, soaking your air stone in a solution of equal parts vinegar and water overnight will help remove all the calcium buildup. The next day rinse it off well, then let it soak in freshwater for an hour before returning it to your tank.
Airstones or Sponge Filters?
Although these two may seem similar and both work with air pumps, they are still very different. An aquarium air stone only diffuses the air being pumped through it while a sponge filter uses the air pump to filter out debris and breed beneficial bacteria.
Sponge filters usually produce large bubbles rather than the tiny bubbles an aquarium air stone creates which isn’t as beneficial for water movement as a stone is.
So which is better or more important? That totally depends on if you have some sort of biological filtration already. If not, then both are equally important and both should be used.
In fact, one way to get the best of both worlds is to use the air stone inside the filter connected to an air pump. That way you’re still getting the water circulation effect while filtering your water at the same time.
FAQS
Are air stones good for aquariums?
Yes, air stones are very good for aquariums. They provide the necessary aeration needed for fish to breath in closed aquarium environments.
Where should the air stone be in a fish tank?
The air stone should be placed in a corner or out of the way of focal points within your aquarium.
How long do aquarium air stones last?
Provided you purchased a quality air stone, they can last from a year to five or more years with proper cleaning and care.
Can fish live without air stones?
Fish can live without an air stone if you have adequate aeration through some other means like live aquatic plants or moving water.
Are air stones good for fish tanks?
Yes, air stones are great for fish tanks. They help with water oxygenation and help move around nutrients and waste products in your tank water so they can be sucked up by your filter.
Wrapping Up…
After reading all of this it should be pretty obvious that the easiest thing you can do to improve the water quality of any fish tank is to simply use an air stone connected to an aquarium pump in your tank.
This little inexpensive piece of equipment can do more to oxygenate your tank’s water and increase circulation than most other things combined.
With their low cost, ease of maintenance and many benefits, why wouldn’t an aquarium air stone be your very first investment!
🔧 Want to learn more? This article is part of our complete Aquarium Equipment & Gear Guide. your ultimate resource for filters, heaters, lights, pumps, tanks, and more.
Bloodworms are a staple in my fish room. I keep frozen bloodworms on hand for virtually every tank I run. They trigger feeding responses in fish that won’t always take dry food readily, and they’re especially useful for getting picky eaters or newly acquired fish eating. Despite the name, they’re actually midge larvae (Chironomus), not true worms, and the red color comes from hemoglobin. One thing worth knowing: some people develop allergies to bloodworms after repeated exposure, particularly to live or freeze-dried versions. Frozen is generally the safest form for both the fish and the keeper.
Key Takeaways
Feed fresh and saltwater fish bloodworms as a tasty treat
freshwater bloodworms are small creatures used as fish food but marine bloodworms are more popular for fishing bait.
Use frozen and freeze-dried bloodworms as a supplement but not a primary food source for your fish
Wear gloves if you’re going to be handling bloodworms a lot because some people are allergic. It’s a good idea to wash your hands too!
Adding live bloodworms to your tank has the small risk of introducing parasites and other unwanted organisms
So What Are Blood Worms?
There are different creatures called bloodworms and this can be confusing for newcomers to the fishkeeping hobby.
Aquarium bloodworms are the baby (larval) stage of small mosquito like flies called midges. These tiny worms are called bloodworms because they are red, not because they drink blood! Aquarium bloodworms are less than half an inch long.
Much larger worms dwell along sandy and muddy shores in marine environments and they are also called bloodworms. These huge worms are the ultimate fish bait and most saltwater fish go crazy for them!
Marine bloodworms aren’t used a lot in the aquarium hobby though, so we’ll be talking about the small freshwater midge larvae from now on.
So why are they red?
Bloodworms get their bright red color from the hemoglobin in their body – that’s the same stuff that makes our blood red by the way. Vertebrate animals like mammals, birds, reptiles, and frogs all have red blood, but its actually pretty unusual for an invertebrate.
Are you wondering why their blood is red? Well, these worms live in a world with low oxygen (anoxic environment) and the hemoglobin helps them breathe!
Life Cycle
Bloodworms and midge flies have a pretty complicated life cycle and the worm we feed or fish is just one of them! Read on to learn more about each stage of their biology.
Adult
Midges are tiny flying insects that you might see swarming around near lakes and ponds. These guys are harmless except for being a little annoying when they fly around lights at night. Midges might look like mosquitos but they are actually vegetarians.
The midge fly has a very short lifespan of just a few days. In this stage they must mate and find some freshwater to lay their eggs.
Eggs
The adult flies lay their eggs on the water’s surface in a gelatinous mass. These tiny eggs sink to the bottom and hatch after a just few days.
Larvae
The newly hatched larvae feed on organic material in the water and live in tubes of fine sediment or burrow into the substrate. These larvae are the bloodworms that we feed our fish, and they become redder as they grow.
Pupae
Bloodworms live for several weeks, depending on the water temperature, and eventually change (metamorphose) into pupae. These pupae move up to the water surface and pupate into adult midge flies, ready to start their life cycle all over again!
Where do they live?
Blood worms are extremely common creatures in pretty much any freshwater environment. You can find them in freshwater ponds, rivers, lakes, and even gutters and buckets of rainwater. They can also live in very damp environments like wet soil.
Where can you get them?
You can purchase bloodworms online or from just about any fish-keeping store and many general pet stores too. Bloodworms are available in various forms, including frozen or freeze-dried packs. These worms are produced at a bloodworm farm.
Live bloodworms are harder to find but speak to your local fish store or other aquarists in your area to find out if anyone is breeding them. You can also breed your own bloodworms, and we’ll cover that topic a little later in this article.
What are they used for?
Bloodworms are used as a supplementary diet for freshwater fish. There’s a lot of contradictory information out there about whether you should feed your fish bloodworms or not, and this article isn’t going to tell you what you should and shouldn’t feed your fish. Instead, we’ll cover the basic facts you need to know to make an informed decision.
Bloodworms are an important natural food source for a huge variety of freshwater fish and other aquatic animals out in nature, so there’s no doubt that fish love bloodworms! These tiny creatures are a very important part of the aquatic food chain.
Let’s take a look at some of the benefits of this natural food source:
Benefits
Bloodworms are a great food source for carnivorous and omnivorous fish. They are excellent for conditioning fish and can really bring out their colors. Bloodworms provide a natural, unprocessed food source, just like what your fish eat out in the wild, and fish just love hunting live bloodworms in their tank!
Nutritional Information
Bloodworms provide an iron-rich food source, but they contain loads of other important minerals and vitamins too, including essential amino acids, vitamins, and minerals. Bloodworms have the following approximate nutritional values from Omega One’s frozen blood worms package:
Protein: 8%
Fat: 1%
Fiber: 3-4%
Moisture: 82%
In contrast, freeze-dried bloodworms have more nutritional value. See Omega’s freeze-dried product below:
Unfortunately, there are some downsides to feeding bloodworms too. Consider these facts before you feed bloodworms to your fish.
Frozen and freeze-dried bloodworms are great as a supplementary food source or an occasional treat, but they do not provide the complete nutrition of carefully formulated commercial-dried foods. You should not feed bloodworms every day as this may cause health problems like constipation.
Some people suffer from bloodworm allergies, especially those who feed them on a regular basis. Fish keepers report hypersensitivity to both frozen and freeze-dried bloodworms1.
Exposure to these creatures can cause skin irritation, asthma, and other unpleasant side effects. Use gloves and wash your hands after working with this food source if you think you might be allergic. You should also avoid inhaling the dust of freeze-dried bloodworms to avoid these issues.
Which Fish Eat Them?
Pretty much every popular aquarium fish will eat bloodworms! The only species that won’t eat bloodworms are true vegetarians like otocinclus catfish. Here are a few examples of aquarium fish that love bloodworms:
There are an estimated 20,000 midge species in the world and over 800 in North America alone, so there are a whole lot of different bloodworm types out there! What’s more important to us aquarists is the form they are in before we use them as fish food.
Let’s take a look at the best options for feeding your fish bloodworms.
Frozen
Frozen bloodworms are the best choice for many aquarists because they provide a good compromise between convenience and quality.
Unlike live bloodworms, frozen bloodworms lose some of their nutrients because they expand and burst their cell walls. However, the major producers of bloodworms feed a highly nutritious diet before freezing to increase their nutrient levels, so they are still full of goodness for your fishy friends.
You can buy frozen bloodworm cubes in various sizes, and they are very easy to feed in your fish tank. Simply drop a cube into your tank and watch the fish enjoy this tasty treat as it quickly thaws.
However, there are many frozen bloodworms in a single cube, and sometimes you may need to split up a cube before adding it if you have just a few fish.
Another popular way of feeding frozen bloodworms is to thaw them out in a glass of tank water. You can then suck them up in a turkey baster and add them to your fish tank. The benefit of this method is that you can feed your fish directly and make sure each pet fish gets his or her fair share!
Dried
Freeze-dried bloodworms are the most convenient form of prepared bloodworms (and as we saw the most nutritious from the analysis earlier. They are super easy to use because you don’t need to thaw them, and you can control the amount you provide much easier.
Freeze-dried bloodworms also have the benefit of being cheaper than frozen worms, and they keep for much longer if you keep them cool and dry.
Some aquarists prefer to soak their freeze-dried bloodworm in water to soften them up. You can do this by adding them to a little tank water for a minute or so and then pouring it into your fish tank. You can enhance their value even further with vitamin dosing using an additive like Vita-Chem.
If you gave your fish the option they would choose live bloodworms all day long. Live is the ultimate choice because the worms still contain all their nutrients and fish love hunting the wriggling worms.
One of the benefits of live worms is that you always know they are fresh. If you got them from a trusted source or raised them yourself then you’ll also know they don’t contain any toxic chemicals or nasty pesticides.
Adding any live creature to your tank comes with a small risk of introducing unwanted pests and diseases though, so think carefully first.
You can feed your fish live bloodworms by sucking them up in a turkey baster and then squeezing them out right in front of your fish. They will love it!
Raising Bloodworms
It is possible to grow your own bloodworms, and this may be your best option if you can’t source live bloodworms. However, growing live bloodworms takes a little more work, so this is not the easiest way to feed your aquarium fish. I supplied a video from Betta Guppy HAUS showing how to culture bloodworms. I’ll go into more detail below.
Let’s take a look at the basic steps.
Create a habitat
The simplest way of growing live bloodworms is to collect rainwater in a bucket and leave it out in the yard. Dust from the air, algae, and a few decaying leaves will create a natural food source for the bloodworms.
A clean white bucket is ideal because you will be able to see the bloodworms and their tunnels much easier. Make sure your container has not been used to store any dangerous chemicals that could harm the worms or your fish.
Give it time
You don’t need to buy bloodworm eggs to rear live worms for your fish. Adult midges will find the water and lay their gelatinous egg sacs all on their own! It could take just a few days or a week for the eggs to hatch, so check back regularly.
Harvesting
Harvesting fresh bloodworms is much easier in clear water. Simply grab a turkey baster and suck them up one by one. Mosquito larvae, daphnia, and cyclops are all great food sources that you might find in your bucket but avoid sucking up other creatures that could be harmful in your fish tank.
Cleaning
Once you have enough bloodworms, simply squeeze them out into a fine net like a brine shrimp net and run water through them to wash off any dirt. You can then put them in some tank water, and suck them back into your turkey baster to feed to your fish.
You can feed them live or freeze them yourself, which could have the benefit of killing other unwanted organisms and parasites.
Other Live & Frozen fish foods
Bloodworms are one of the most popular live/frozen fish foods, but they are not the only natural food source for freshwater and saltwater fish. Let’s check out a few other great options.
Brine shrimp
Pretty much any fish that eats bloodworms will love eating frozen or live brine shrimp too! These tiny crustaceans are available freeze-dried or as frozen blocks. You can also hatch and rear them yourself, and this is an amazing food source for fish fry and smaller fish species.
Ghost shrimp
Ghost shrimp are another great food source. Many medium size fish will happily eat them. For smaller fish, they can be good tankmates instead of food. Better functional shrimp and ornamental shrimp would include ones like cherry, and Amano shrimp.
Tubifex Worms
These tiny aquatic creatures appear similar to live bloodworms but have a very different larvae life cycle and are browner in color. They are available as freeze-dried and frozen food and can be fed to any fish that enjoy bloodworms.
FAQs
Are bloodworms harmful to humans?
The freeze-dried, live, or frozen bloodworms used in the aquarium hobby can cause allergies in some people, although they have been used by fishkeepers for many years, and most people have no problems.
The worms used as fishing bait are much larger creatures that can give a painful bite if handled and that makes these bloodworms dangerous. When some bloodworms bite they inject a venom that can feel like a bee or wasp sting, so take care when handling these creatures!
What do blood worms turn into?
Bloodworms are the larval (baby) stage of midges, which are small, mosquito-like flies with fluffy feathery antennae. The adult midge fly does not bite or suck blood, although they do form swarms which can be a nuisance, especially around lights at night.
What is the purpose of blood worms?
Bloodworms are a vital component of a healthy aquatic ecosystem, and they provide a natural food source for fish and many other aquatic animals.
They are popular in the aquarium hobby because they provide a healthy varied diet and they can be very important for picky eaters that refuse prepared dried foods.
What do bloodworms eat?
The tiny bloodworms we feed our aquarium fish eat algae and decomposing organic material in the freshwater environments where they live.
However, the hefty marine bloodworms that are so popular as fish bait are true predators. Those creepy critters use unique copper fangs and a venomous bite to catch and kill smaller creatures like worms and crustaceans.
What are bloodworms good for?
Bloodworms provide a tasty supplement to regular dried fish food. They are great for conditioning fish before breeding and for feeding picky fish that refuse flakes and pellets.
Is it OK to touch bloodworms?
Most people suffer no serious reactions after handling bloodworms, but some are allergic to these tiny creatures.
The cause of bloodworm allergies aren’t very obvious but they seem to get worse over long periods of time. Even if you don’t show any symptoms at first, the safest route is to use caution and wear gloves or wash your hands thoroughly after handling them.
Do bloodworms live in humans?
Bloodworms live in freshwater and they can’t survive inside our bodies. These wiggly worms are not parasites but they do have a kind of creepy name! Bloodworms eat detritus, rotten plant material and algae down at the bottom of lakes and other freshwater bodies.
Final Thoughts
Live, freeze dried or frozen bloodworms are an excellent fish food if you limit your fish to helping every once in a while. These worms are packed with iron and protein and fish go crazy for them. Feeding bloodworms is easy too, just make sure you keep them fresh and avoid touching them with your bare skin just in case.
Do you feed your fish bloodworms? Let us know if you prefer frozen, freeze-dried or live bloodworms in the comments below!
Bamboo Shrimp are filter feeders, not scavengers. They need current and suspended food particles to survive. If your shrimp is walking the substrate picking at food, it is starving.
A bamboo shrimp walking the bottom is not getting enough food. Fix the flow.
What It Is Actually Like Living With Bamboo Shrimp
A shrimp tank is a constant show of activity. Shrimp graze nonstop, picking at every surface with their tiny legs. They crawl over plants, substrate, and even each other. The movement never stops.
Molting is both fascinating and nerve-wracking. You will find translucent shed exoskeletons and panic thinking a shrimp died. It did not. But failed molts, where a shrimp gets stuck in its old shell, are always a risk.
Berried females carrying eggs under their tails are a highlight. You watch the eggs develop over two to three weeks, then suddenly dozens of tiny baby shrimp appear on your moss and plants.
Shrimp are escape artists during water changes. They jump into buckets, climb up siphon tubes, and end up in places you never expected. Always check your equipment and waste water for hitchhikers.
The Bamboo Shrimp is one of the most rewarding invertebrates in the hobby, but it is also one of the most sensitive. Water parameters matter more here than with almost any fish. After keeping shrimp colonies for years, I have learned exactly what makes or breaks a thriving colony.
One parameter swing and an entire colony dies overnight. That is the reality of keeping Bamboo Shrimp.
A Bamboo Shrimp colony demands stable parameters every single day. One slip and you start over. This is a commitment to precision, not just maintenance.
Shrimp keeping is the most humbling branch of the aquarium hobby. The water does not care about your experience level.
What Most Care Guides Get Wrong About Bamboo Shrimp
Want easy, forgiving shrimp? Start with cherry shrimp. Want a challenge with stunning payoff? Get crystal reds and commit to RO water.
Most guides give you a cookie-cutter care sheet for Bamboo Shrimp without mentioning the nuances. After 25+ years in this hobby, I have seen how small details in tank setup and maintenance make a real difference in long-term health. Another thing guides gloss over is temperament. Bamboo Shrimp are often described with a single label, but their behavior shifts depending on tank size, tank mates, and territory. You need to plan for the worst-case scenario, not the best. Group size is another area where most guides fall short. Saying ‘keep them in groups’ is not enough. The difference between keeping 3 and keeping 8 or more is night and day when it comes to coloration, confidence, and natural behavior.
The Reality of Keeping Bamboo Shrimp
Water parameters rule everything. Shrimp are more sensitive to water chemistry than any fish in your tank. Ammonia, nitrite, and sudden pH swings kill shrimp instantly. A cycled, stable tank is absolutely mandatory before adding your first shrimp.
Copper is lethal. Many fish medications contain copper. Even trace amounts from pipes, fertilizers, or treatments will wipe out an entire shrimp colony. Read every label before adding anything to a shrimp tank.
Molting problems are the most common killer. Shrimp need consistent mineral content to molt successfully. Unstable GH and KH levels cause failed molts, which are fatal. Remineralized RO water gives you the most control.
Biggest Mistake New Owners Make
Adding shrimp to an uncycled tank or a tank that was recently medicated. Both scenarios kill shrimp within days. The tank needs to be fully cycled and medication-free for at least two weeks before shrimp go in.
Expert Take
Drip acclimation is not a suggestion. It is mandatory. Every shrimp I have lost in 25 years died because I rushed the acclimation or ignored a parameter difference.
Frequently Asked Questions
Are bamboo shrimp hard to keep?
Bamboo shrimp are moderate in difficulty. The main challenge is ensuring they get enough food, since they are filter feeders that catch fine particles from the water column. A tank with good flow and regular feeding of powdered foods or crushed flakes is essential for their survival.
Why is my bamboo shrimp picking at the substrate?
When a bamboo shrimp is picking at the substrate instead of fan feeding in the current, it means there is not enough food in the water column. This is a sign of hunger and stress. Try increasing your feeding of finely crushed foods or adding a dedicated liquid invertebrate food.
How big do bamboo shrimp get?
Bamboo shrimp can reach 3 to 4 inches in length, making them one of the largest freshwater shrimp commonly kept in aquariums. Their size and unique fan-feeding behavior make them an impressive display animal in planted community tanks.
Can bamboo shrimp live with bettas?
Bamboo shrimp can coexist with bettas in tanks of 20 gallons or larger. Their large size makes them unlikely targets for betta aggression. However, both species prefer different flow levels: bamboo shrimp need moderate current for feeding, while bettas prefer calmer water.
How long do bamboo shrimp live?
With proper care and consistent feeding, bamboo shrimp can live 4 to 6 years in captivity. They molt regularly as they grow, and providing calcium-rich water helps ensure healthy exoskeleton development. Poor nutrition is the most common cause of premature death.
Key Takeaways
Bamboo shrimp are an interesting freshwater species of filter-feeding shrimp.
These shrimp have simple aquarium requirements but is sensitive when being transported.
Bamboo shrimp are very difficult to breed in captivity and have a short lifespan. They are reasonably more expensive than most other species available.
Many hobbyists adore saltwater aquariums for their bright and colorful fish. But have you ever seen a freshwater tank filled with vibrant and active shrimp? The freshwater hobby is filled with different shrimp species that are easy and rewarding to keep.
One of the most popular species of freshwater shrimp to keep is the bamboo shrimp, also commonly known as the Singapore shrimp or wood shrimp. Scientifically, the bamboo shrimp is known as Atyopsis moluccensis. Unlike other popular species of freshwater shrimp, the bamboo shrimp is not a dwarf species in itself, though a dwarf relative has been discovered: Atyopsis spinipes1.
Bamboo shrimp are great shrimp to keep in the freshwater aquarium. They get along with almost every fish, are relatively hardy, and help keep the tank clean. They aren’t the most colorful species of freshwater shrimpavailable, though, which can make experienced keepers look past them.
Origin
It is hard to believe, but bamboo shrimp originate from areas where bamboo naturally grows. This is largely throughout Southeast Asia, including parts of Thailand, Indonesia, Sri Lanka, and the Philippines.
There, these shrimp feed on plant and animal particles in the water column as well as in the substrate. Interestingly this is an Asian filter-feeding shrimp. This means that these shrimp have specially adapted claspers with a feathery, fan-like appearance. This allows them to stand in a moderate to strong water current with their fans pointed outwards to catch anything that passes by.
Because they’re filter feeders, they are found in a warm, fast-moving natural habitat that is full of debris and other organic material.
Appearance
Bamboo shrimp aka flower shrimp aren’t the most colorful shrimp. There’s a reason why they’re also known as wood shrimp.
Bamboo shrimp are one of the largest freshwater aquarium shrimp available, growing to about 2 to 4 inches. They are bulky shrimp with large, rounded bodies. As fan shrimp, they have two pairs of feathery arms that help them pull food particles out of the water.
These shrimp are brownish-red but can become darker or lighter depending on available food and other environmental factors. Upon closer inspection, you can see many thin, dark pinstripes run along the sides of their body. Down the middle of their body is a thick off-white stripe that runs from their antennae to the base of their tails.
Male vs. Female
Bamboo shrimp are pretty costly. Considering that they only live for a couple of years, it is expensive to replace your colony so often. Because of this, many shrimp keepers try breeding bamboo shrimp, though we’ll find out that this is a challenge in itself.
To breed bamboo shrimp, you need to have a male and female individual. These shrimp are easy to tell apart from each other, but only when they’re mature in size.
Like other shrimp and crustaceans, you need to look at the abdomen of the shrimp. Female shrimp carry eggs in and around their pleopods, or swimming legs, underneath their abdomen, so this area needs to be big.
In general, males are larger than females. Males also have bigger, thicker first walking legs. From above, male bamboo shrimp are slimmer and shorter than females. Females have wider and longer abdomens, as well as longer pleopods.
Temperament and Behavior
Want easy, forgiving shrimp? Start with cherry shrimp. Want a challenge with stunning payoff? Get crystal reds and commit to RO water.
Bamboo shrimp are perfect tank mates for a community tank setup. Their larger size also makes them compatible with some of the bigger tropical fish species available as long as temperaments match.
Despite their large size, they is shy with sudden movements and bright lights. It may take several weeks for a new shrimp to acclimate to its new home, so make sure to add plenty of hiding spots in the beginning.
In general, this fan shrimp can safely be kept with all community fish species. They spend most of their time propped up on plant leaves or other aquarium decorations in the water current with their fans extended. If your fan shrimp is traveling to the bottom of the tank to look for food in the substrate, then this could indicate that there isn’t enough available food in the water column.
While a healthy bamboo shrimp may still display this behavior, it’s strongly recommended to start offering more available foods that make feeding easier.
Bamboo Shrimp Tank Mates
Not too many hobbyists have a shrimp tank that only features bamboo shrimp. This shrimp species is often an afterthought to a community tank featuring other tropical fish and invertebrates. Luckily, they fit in with almost every tank mate combination!
How Many Should Be Kept Together?
Bamboo shrimp are not territorial towards each other or other shrimp. That being said, there are a few limiting factors that can stop you from keeping multiple bamboo shrimp together.
First, space can become an issue. Not for the reason you may think, though. Instead, bamboo shrimp are very efficient filter feeders that can clean available food particles out of the water column within a few days. This can lead to a shortage of food when there is too much competition.
Second, bamboo shrimp are large shrimp. Though they’re not aggressive, they can add additional bioload to the aquarium that can add up over time.
In general, as long as your shrimp are easily able to find food and have good filtration, then you can keep as many as you would like together.
Best Tank Mates For Them
But what other shrimp and fish can you keep with your bamboo shrimp? Almost everything!
The good news is that bamboo shrimp are large freshwater shrimp. Most tropical fish have small mouths, which takes bamboo shrimp off the menu. This makes bamboo shrimp a great choice for a betta tank, though you will need to create some areas of higher flow in the aquarium that your betta might not appreciate!
These shrimp keep to themselves in the aquarium and won’t bother other peaceful fish. Because they perch on live plants and other decorations, they also stay out of the way of bottomfeeders and other active species. Some of the best tank mates for bamboo shrimp are:
Yes! Bamboo shrimp can live with other freshwater shrimp, specifically dwarf shrimp species. Because these shrimp aren’t the most colorful on their own, many hobbyists keep them with cherry shrimp (Neocaridina davidi) and vampire shrimp (Atya gabonensis). Other less colorful tank mates include Amano shrimp (Caridina multidentata) and ghost shrimp (Palaemonetes paludosus).
Least Compatible Fish For Them
Although large shrimp, bamboo shrimp are still an appetizing choice for fish with large mouths. Fish that should be avoid are:
It should also be noted that bamboo shrimp should not be kept with crayfish, like the Mexican dwarf crayfish (Cambarellus patzcuarensis). Even though these two invertebrates might look similar to one another, the crayfish will gladly eat your shrimp.
Care
Want easy, forgiving shrimp? Start with cherry shrimp. Want a challenge with stunning payoff? Get crystal reds and commit to RO water.
Bamboo shrimp care is easy, but there are a few ways you can guarantee the success of your shrimp. These shrimp only live a couple of years on average, so you want to make the most of it! They are also much more expensive than other shrimp in the aquarium trade.
Are They Hard To Keep?
Bamboo shrimp aren’t one of the hardiest shrimp varieties available. They are susceptible to incorrect or fluctuating water parameters, which can make transferring them between different freshwater aquariums difficult. Your shrimp is most likely to die within the first few days of having it in your tank.
To prevent this from happening, it’s strongly recommended to use a quarantine system that gives full control over tank conditions. Purchase from a reputable seller that keeps juvenile shrimp so that you get the most time with your new invertebrate.
Is the Bamboo Shrimp Right for You?
Before you buy a Bamboo Shrimp, take an honest look at whether your setup and experience level are a good match. This is not about gatekeeping. It is about setting both you and the fish up for success.
Experience level: Bamboo Shrimp are a solid choice for beginners. They tolerate a range of conditions and bounce back from minor mistakes. If you are new to fishkeeping, this is a forgiving species to start with.
Tank size commitment: A 20-gallon tank works as a minimum. This is a manageable size for most hobbyists, which is part of what makes this species accessible.
Temperament considerations: Bamboo Shrimp is territorial or aggressive. You need to plan tank mates carefully and provide enough space and cover to reduce conflict. They are not a good fit for peaceful community tanks with small, shy fish.
Feeding requirements: Bamboo Shrimp are omnivores that accept a wide range of foods. A quality pellet or flake as a staple, supplemented with frozen or live foods, keeps them healthy and shows off their best coloration.
Group requirements: These are schooling fish that need to be kept in groups of 6 or more. Keeping fewer leads to stress, dull coloration, and abnormal behavior. Budget for the full group, not just one or two.
Water type: This is a saltwater species. You need a fully cycled marine setup with proper salinity, filtration, and water chemistry. Saltwater tanks are more expensive and demanding than freshwater, so factor that into your decision.
Long-term commitment: Make sure you are ready for the full lifespan of this species. Fish are not disposable pets. Research their needs thoroughly before buying, and make sure you can provide consistent care for years to come.
Tank Requirements
The best bamboo shrimp care will stem from a good aquarium setup. These shrimp need a mature aquarium where they can feed on the fine particles and microorganisms already present in the water column.
A new tank setup is too clean and will need to be heavily fed to sustain your shrimp.
Tank Size
You’ve most likely seen a small tank filled with cherry shrimp at your local fish store. Since bamboo shrimp are similar to other shrimp species, does this mean that they is kept in a small tank too?
No. Bamboo shrimp prefer a larger tank setup for a few reasons.
First, bamboo shrimp are large shrimp. While they don’t move around the tank much, they create significantly more bioload than small shrimp. They may also struggle to be present in the tank if there are too many other shrimp occupying the space.
Another reason why bamboo shrimp need a larger tank is that they heavily depend on their natural habitat for food. These shrimp need plenty of available food in the water column for their success. A small tank has much less available food, which can cause your shrimp to quickly run out of things to eat.
How Many Can You Put In A 55 Gallon Tank?
There are a lot of factors that go into determining how many bamboo shrimp you can have in your tank. In theory, a 55 gallon could hold a lot of shrimp! But this probably isn’t the best option.
Consider how much natural food is available in your aquarium. Is there a constant supply of plant debris? How often do you feed your fish? Are your shrimp competing for the same food as other fish or invertebrates?
There are some questions you should be asking yourself before you introduce multiple bamboo shrimp into your aquarium. That being said, it’s recommended to keep 1 bamboo shrimp per every 20 gallons of water. This would mean that about 2 to 3 bamboo shrimp could comfortably be kept in a 55 gallon aquarium.
Setup
Aquarium setup doesn’t matter too much when keeping bamboo shrimp as they’ll find their niche within the system. However, there are a few ways you can optimize your shrimp’s way of living.
One of the most important aspects of keeping bamboo shrimp is making sure that there is some water current moving throughout the aquarium. These shrimp come from naturally fast-moving waters where they stand in the current to filter food. Experienced keepers use their filter return or a powerhead to create a stream of water current specifically for their shrimp.
A powerhead pairs well with a sponge filter. This combination allows for water flow as well as a bioload station for bamboo shrimp to pick at if they don’t feel like catching their food.
Otherwise, bamboo shrimp do not need any special aquarium setup. I prefer to dim their lighting or use tannins to create a more comfortable environment for these shy shrimp.
Decor
Bamboo shrimp do best in a heavily planted aquarium where there are plenty of organics available in the water. This is a high or low tech setup with varying lighting intensities; as mentioned before, bamboo shrimp are more present in dimmer lighting.
These shrimp will appreciate natural decor in the form of driftwood, smooth rocks, and leaf litter. However, they can also be kept in more artificial setups as well.
Substrate
The type of substrate you keep your bamboo shrimp on doesn’t matter too much. These shrimp stay off the substrate, staying perched on driftwood and aquarium plants.
For the most natural tank setup, a light or dark brown substrate is recommended.
Live Plants
Bamboo shrimp will greatly appreciate an assortment of live plants. These shrimp will make their home in dense vegetation, catching any food that happens to pass by. Plant matter will also enter the water column, providing additional food for your shrimp.
Want easy, forgiving shrimp? Start with cherry shrimp. Want a challenge with stunning payoff? Get crystal reds and commit to RO water.
Bamboo shrimp are relatively hardy shrimp but they still require mature tank conditions. Good filtration and water circulation are necessary for keeping a happy and healthy bamboo shrimp.
Filtration & Aeration
As mentioned before, bamboo shrimp will do best with a sponge filter in combination with a powerhead. This creates an area for grazing around the filter while also making a current that your shrimp can stand in.
For larger tanks, a hang on the back filter or canister filter is recommended for better filtration and water movement. A powerhead may still be necessary to create areas of higher flow for your shrimp.
An air stone is not necessary, though can help circulate water and nutrients.
Water Parameters
Bamboo shrimp are sensitive to imperfect water parameters. They cannot tolerate any traces of ammonia or nitrite and start to have trouble when nitrates exceed 20 ppm. They is kept in a wide water temperature range between 68 and 85° F but prefer relatively neutral pH levels between 6.5 and 8.0.
One of the more important water parameters to be aware of is calcium. Freshwater shrimp go through the molting process about every month and a half. This is when they shed their old exoskeleton to grow.
To grow a new shell, they need plenty of calcium available in the water. While this is brought in through water changes and diet, bamboo shrimp may be given special shrimp calcium blocks from time to time.
Aquarium Maintenance
Aquarium maintenance for bamboo shrimp is straightforward, especially in a mature tank where parameters are stable. In general, a 10-25% weekly or biweekly water change is recommended for a moderately stocked freshwater aquarium. Bamboo shrimp prefer slightly ‘dirtier’ conditions where food is available in the water column, so experienced keepers only do water changes every other week or once a month.
When performing a water change, make sure to use an aquarium vacuum to remove any rotting food or plant matter.
Testing Tank Conditions
To ensure that your tank is always running the best that it can, regularly test your aquarium water with a dependable test kit. This test kit should use liquid reagants as testing strips are highly inaccurate.
While most shrimp is maintained through only the leftover fish food in the aquarium, bamboo shrimp require some special care and attention when it comes to their food and diet.
Don’t worry, though! Bamboo shrimp feeding doesn’t require too much extra time.
If you notice that your shrimp is searching around sponge filters or wandering around the substrate, there is a lack of food. At this point, it’s strongly recommended to supplement feedings.
Powdered food, crushed fish food, broken-up algae wafers, and small live food may be given daily.
Bamboo shrimp will not fix an algae problem, meaning that they won’t graze on available algae. Instead, they’ll help purify the water of any microscopic waste or organisms that could lead to an algae bloom.
Breeding
Breeding bamboo shrimp is rarely done in the aquarium hobby. Like Amano shrimp, bamboo shrimp need brackish water during their larval stages.
To go about breeding bamboo shrimp, you need a male and a female. Once successfully bred, the fertilized eggs must be gently detached from the female and moved to brackish water conditions. From there, the fry may be fed spirulina powder until they mature.
Where To Buy
Bamboo shrimp are pretty expensive. Their sensitivity to stresses during transportation also makes them slightly difficult to come across at your average pet store. Because they’re difficult to breed in captivity, they also can’t be sourced from fellow hobbyists.
In conclusion, bamboo shrimp are one of the more forgotten species of shrimp available. These are filter feeding shrimp that need a good source of food in a mature aquarium setup. They are slightly sensitive to changes in environment and water conditions and have short lifespans.
Still, they’re great invertebrates to have for controlling excess waste and potential algae blooms!
German Blue Rams are the most beautiful dwarf cichlid in freshwater fishkeeping. They are also one of the most frequently killed. Most people do not lose them because they got unlucky. They lose them because their tank was not stable enough, their water was not warm enough, or they added them too early. I have kept these fish on and off for over 20 years, and I still treat every new batch like a test of whether my tank is actually dialed in. If your setup is not rock solid, this fish will die. It is that simple.
If you are willing to meet their demands, a pair of German Blue Rams in a well planted tank is one of the most stunning setups in the hobby. But if you cut corners, they will punish you for it. This guide is the honest version of GBR care. Not the watered down one you will find everywhere else.
German Blue Rams do not tolerate mistakes. They expose them.
If your tank cannot hold a steady 82 to 84 degrees with zero ammonia and minimal nitrates, you are not ready for this fish. That is not gatekeeping. That is just the reality of keeping a species this sensitive.
The German Blue Ram is proof that beauty and difficulty are directly proportional in fishkeeping.
German Blue Rams only live 2 to 4 years, but those years demand pristine water quality, consistent temperatures above 82F, and a level of attention most keepers are not ready to provide.
No other freshwater fish packs this much color into this small a body. And no other fish punishes sloppy husbandry this fast.
Why Most People Fail With German Blue Rams
I have watched this play out dozens of times. Someone sets up a new tank, cycles it for a few weeks, and then adds a pair of German Blue Rams as their centerpiece fish. Within two weeks, one or both are dead. Here is why it keeps happening.
They add them to tanks that are not mature enough. A cycled tank is not the same as a stable tank. GBRs need established biological filtration, stable pH, and a tank that has been running for at least two to three months with other fish in it. A brand new cycle with zero biofilm and fluctuating parameters will kill them. Not eventually. Within weeks..
The temperature is too low. Most community fish do fine at 76 to 78 degrees. German Blue Rams need 82 to 84. That is not optional and it is not a range you can fudge. If your tank sits at 78, your rams will be sluggish, lose color, and start declining within days. And once a GBR starts going downhill, you rarely get them back..
Water parameter swings kill them fast. A pH swing of even 0.5 in a short period will stress a GBR enough to trigger illness. They are not like hardy cichlids that bounce back from rough conditions. Once a German Blue Ram starts declining, you have a very small window to fix things before you lose the fish.
They pick the wrong tank mates. Anything fast, aggressive, or nippy will stress GBRs into hiding. And a stressed ram is a dead ram. Tiger barbs, serpae tetras, and most mbuna are automatic disqualifiers. Stick with calm, slow moving species that occupy different levels of the tank.
The Reality of Keeping German Blue Rams
I am not going to sugarcoat this. German Blue Rams are one of the most demanding freshwater fish you can keep. They look incredible, but they are completely unforgiving if your setup is not right.
They crash fast. A healthy GBR can go from vibrant and active to dead in 48 hours if something shifts in the tank. Ammonia spike, temperature drop, pH swing. Any of these triggers a decline that you cannot reverse once it starts. You do not get second chances with this fish. German Blue Rams are a precision fish. They reward perfection and punish everything else.
The temperature requirement limits your tank mate options. At 82 to 84 degrees, you are ruling out a lot of common community fish that prefer cooler water. Cardinals, rummy noses, and sterbai corydoras work. Most other tetras and corydoras do not thrive at those temps long term.
They look amazing when everything is right. A male GBR in full color in a heavily planted tank is one of the most beautiful things in freshwater fishkeeping. But that only happens when water quality is pristine, temperature is locked in, and stress is minimal. One off parameter and the colors fade within days.
Biggest Mistake New German Blue Ram Owners Make
They buy them too early. The fish looks incredible at the store, they impulse buy a pair, and they add them to a tank that has been running for three weeks. The rams are dead within ten days and the owner blames the fish. The fish was not the problem. The tank was not ready.
Expert Take
Never add German Blue Rams to a tank that has been running for less than three months. This is not a suggestion. This is the single rule that separates people who keep GBRs alive from people who keep buying replacements. A cycled tank is not the same as a mature tank. They need established biofilm, stable parameters, and a bacterial colony that can handle their sensitivity. This is the single most important piece of advice I can give you.
Key Takeaways
German blue ram is named after a famous fish collector and importer from Germany known as Manuel Ramirez.
They have spiny rays in their anal, pelvic, pectoral, and dorsal fin to ward off their predators.
German blue ram loves digging up the substrate, so put hardy plants and floating plants in their aquarium
Electric blue ram is an open spawner; i.e., the wild German rams form a family group and lay around 200 eggs in their natural habitat.
Species Overview
Scientific Name
Mikrogeophagus ramirezi
Common Names
German blue ram, blue rams, electric blue rams, Butterfly cichlid
Family
Cichlidae
Origin
Orinoco River basin of South America in the Llanos of Venezuela and Colombia
Diet
Omnivore
Care Level
Moderate to Difficult
Activity
Medium
Lifespan
3 to 4 years
Temperament
Peaceful fish
Tank Level
All levels
Minimum Tank Size
10 gallons
Temperature Range
78.0 to 85.0° F
Water Hardness
6 – 14 dGH
pH Range
6.0 – 7.5
Filtration/Water Flow
Moderate
Water Type
Freshwater
Breeding
Egg Layer/Open spawner
Difficulty to Breed
Easy
Compatibility
Limited, Generally small fish with the same temperament
OK, for Planted Tanks?
With Caution
Classification
Order
Cichliformes
Family
Cichlidae
Subfamily
Geophaginae
Genus
Mikrogeophagus
Species
M. ramirezi (Myers & Harry, 1948)
Brief Introduction
The German Blue Ram or Mikrogeophagus ramirezi goes by many names including, German Ram, Electric Blue Rams, Butterfly Cichlid, Golden Ram, Ramirez’s dwarf cichlid, Ramirezi, Ram cichlid, and Ram. The German blue rams are named after Manuel Ramirez1. one of the first collectors and importers of Ram cichlids in the aquarium trade.
German blue ram is a peaceful fish that can easily be kept in community tanks, even with non-cichlid fish species with a similar temperament. For the record, these fish do not do well in an aggressive fish tank.
Origin & Habitat
Opposed to their name, the German blue rams originated from the Orinoco River basin in Venezuela and Colombia. The reason they are called “German Blue” rams is that the blue variation of Ram cichlids was selectively bred in Germany and became popular from there.
Appearance
The electric blue ram is a small, colorful fish with pointed fins and a tail. Their bodies are oval and the males develop more pointed dorsal fins than female German blue rams.
Starting at their nose, there is a yellow coloration on their body that changes from whitish blue to blue in color. A black curved line runs from their forehead, through their eyes, and reaches down to the chin. Also, the middle part of the body is adorned with a black spot. They have pointed fins that are clear yellow in color with a black blotch. Female Electric blue rams have pinkish-red or orange bellies.
Like all other cichlids, the German blue rams have a full set of pharyngeal teeth located in their throat. They also have spiny rays in their anal, pelvic, pectoral, and dorsal fin to ward off their predators. The front area of their fins is soft, allowing them to move precisely and effortlessly.
Unlike other fish, German blue rams have one nostril on each side of the nose. So, they sense smells in water by sucking in water and expelling it right after it’s sampled.
What is the average adult size?
The Electric blue ram is a small fish, reaching the average size of between 2-2.5 inches (5-6 cm) in length.
How long do they live?
The average lifespan of German blue ram largely depends on their water conditions, diet, and overall care. Under normal circumstances, German blue rams live around 3 to 4 years, while some individuals may live up to 5 years.
Food & Diet
In their natural habitat, wild German blue rams feed on plant materials and small invertebrates. However, in captivity, they feed on a varied diet, including brine shrimp, bloodworms, white worms, chopped earthworms, cyclopeeze, live mosquito larvae, and artemia. You can also feed them flake food and pellets as occasional treats.
How often to feed them?
you need to to feed two to five small amounts of food once or twice a day to keep the water quality optimal for longer periods.
Temperament and Behavior
Fish owners love German blue rams for their ever pleasing nature and beautiful aesthetics. And rightfully so, German blue rams thrive in community tanks even with their non-cichlid mates. However, they may seem aggressive; they are more “bark than bite”.
You can keep them alone, but you need to to keep them in pairs and avoid putting two males in an aquarium until your tank is exceptionally large.
German Blue Ram Tank Mates
Here are some great tank mates for a German blue ram cichlid tank:
No matter how low maintenance German blue rams are, the key to keeping your fish happy lies in the water quality. German blue ram cichlids are prone to rapid breathing and illness due to mismatched water chemistry and quality. Therefore, meeting their tank requirements and maintaining the water quality is essential for the survival of German blue rams.
Tank Requirements
Here’s a complete breakdown of ideal tank requirements for the German blue ram cichlids.
Tank Size
Since they are small community aquarium fish, the recommended tank size is around 15 gallons.
Live Plants
Keeping live plants in a German blue ram aquarium sounds daunting because most aquatic plants cannot tolerate the warm water temperature. Therefore, it is essential to get plants that can survive the hot water.
Also, German blue rams love digging and so, they might hurt your aquatic plants. To cater to this, I suggest keeping plants like Java Ferns and mosses. You can also add floating plants, especially to the breeding tank to diffuse the lighting. Some great examples of live plants are:
Make sure to leave free swimming space while placing plants in their aquarium and install a proper filtration system for their successful survival.
Tank Decorations
German blue Rams love a well decorated tank. And even though they thrive in a community aquarium, sometimes, they might need to find a safe, comfortable place to hide. Therefore, aquarium decorations should be provided with caution.
You can equip their tank with driftwood, flowerpots, dense plant clusters, caves, and rocks to mimic their natural habitat and keep them happy.
Make sure all the decorations are the aquarium and fish-friendly with no sharp edges to create a healthy and stimulating environment.
Substrate
A substrate of fine sand mixed with gravel and granite pebbles works best for a German blue ram tank. That’s because sand mixed with gravel allows your fish to sift through it, which is a natural behavior for them in the wild.
Additionally, you can go for plant substrate or bare bottom as per your preferences and tank requirements.
Note: Make sure your substrate does not leech into the water and change the pH. Avoid using sand for marine tanks
Is the German Blue Ram Right for You?
Before you commit to this species, here’s an honest assessment of whether it fits your setup and experience level.
One of the most beautiful freshwater fish alive. A healthy, fully colored German blue ram is genuinely stunning. the iridescent blue and gold are unmatched.
Not for beginners. I can’t emphasize this enough. If you haven’t successfully kept other sensitive fish, you’re not ready for this one.
Temperature is non-negotiable. 82-84°F minimum. This limits your tank mate options to species that also thrive in warm water.
Perfect for warm, soft-water planted tanks. If you already run a planted tank with CO2 and acidic water, German blue rams feel right at home.
Buy from reputable breeders, not chain stores. Locally bred rams from a quality breeder are significantly hardier than mass-produced imports.
Short lifespan even with perfect care. 2-3 years is typical, which feels short given the effort required to keep them healthy.
Filtration and Aeration
Maintaining Oxygen levels and water quality leads to a happy, healthy tank with a thriving German blue ram.
German blue ram, like any other fish loves a clean and clear environment with low nitrates, ammonia, and zero nitrites. Therefore, a filter that can handle all these toxins and the size of your aquarium is much needed.
I recommend getting a canister filter for a larger tank. However, for a 10-gallon tank, a hang-on filter works wonders. I also suggest installing a filter with a biological filtration system to break down harmful chemicals and waste substances in the water effortlessly.
For aeration, you need to to provide an air stone or bubble wand to create the flow of bubbles. To save yourself money and time, you can get a filter integrated with an air pump to help aerate the water besides filtering.
Water Parameters
The ideal water parameters for German blue Ram are:
Recommended temperature range: 78.0 to 85.0° F
Breeding Temperature:– 77 – 82.4° F
Ideal pH range: 6.0-7.5
Water Hardness Range:6 – 14 dGH
Aquarium Care
I recommend performing water changes of 10% to 20% at least biweekly, depending on the number of fish and tank size. German blue ram is super sensitive to certain chemicals and changes in their environment to the point of their sudden demise.
Also, they are prone to fish tuberculosis or Piscine. Therefore, aquarium maintenance is the key to keeping them healthy and happy. I also advise cleaning and sanitizing their tank decorations and other stuff with a sponge. It is also recommended to vacuum the substrate to remove the waste and all the food.
Breeding
Before setting up a breeding tank, it is important to know that the German blue ram is an open spawner; i.e., the wild German blue rams form a family group and lay around 200 eggs in their natural habitat.
Therefore, in captivity, start with 6 juveniles and let them bond. After they have bonded successfully, move the breeding pair to their own respective tanks.
Requirements for a breeding tank
The ideal water temperature for a breeding tank is around 77 – 82.4° F. They prefer slightly acidic and soft water.
Provide quiet areas for them as they are usually nervous and may end up eating their own eggs if stressed, Also, provide lots of hiding places such as caves and plants, especially wide leaves to spawn on.
you need to to tape the sides of your tank with a taping paper to alleviate stress.
The breeding process
Before spawning, the breeding pair usually spend lots of time cleaning the top of pebbles. After they are comfortable and spawned, the female German blue ram lays around 200 eggs and the male ram cichlid fertilizes them externally. Once they have successfully spawned, you will notice the colors of the pair have intensified drastically.
After 60 hours, the eggs hatch, and just after a few days, the fry will be swimming freely.
Note: German blue ram are known to eat their own fry after hatching, thus, you may put the young ones into a separate tank
Once the fry is free swimming, the male ram takes them into its mouth to clean and then spits them out.
After the yolk sac has disappeared, you can feed the fry micro worm or infusoria. You can also feed them newly hatched baby brine shrimp.
Always remember to maintain the water quality while feeding the fry. you need to to perform 10% water changes every day.
Fish Diseases
Despite being hardy fish, the German blue ram is vulnerable to poor water quality and oxygenation. Hence, resulting in several fish diseases.
One of the most common problems is Ich, which is caused by parasitic infestations from protozoa or worms. Other common diseases include:
Costia disease
Flatworms
Cestoda or tapeworm infestations
Bacterial infections and diseases
Fish tuberculosis
Skin flukes
FAQs
Are German blue Rams difficult to keep?
No, they are moderately easy and not difficult to keep. Still, not recommended for beginners because they demand top-notch water quality and they are very sensitive to certain chemicals and water changes that might pose a challenge to beginner aquarists.
Are German blue rams schooling fish?
No, they are not schooling fish but like to be in pairs or small groups of 6 individuals mainly. They is territorial, especially while breeding, and may show aggression towards other fish. Therefore, it is important to provide them with lots of hiding places and plants to rest on and reduce stress, and aggression.
What is the difference between a blue ram and a German Blue Ram?
There is absolutely no difference between a blue ram and a German blue ram. Both of the names are given to the same species, “Mikrogeophagus ramirezi”. The blue ram cichlid or a German blue ram is a name given to the same species of blue color morph which is a small and peaceful fish found in the streams of Venezuela and Colombia.
Do German blue rams need caves?
Yes, the German blue ram needs lots of hiding places to alleviate the stress and reduce aggression towards other fish. Therefore, caves, rocks, and aquatic plants are essential for their survival.
Are the German Rams hard to keep?
Yes – they are very demanding of their water quality and tank requirements. Therefore, a novice fish keeper might not be able to keep them.
What is the lifespan of a German ram?
German blue rams typically have a life expectancy of 3 to 4 years, while some may reach 5 years. The water quality, nutrition, and general care of German blue rams all affect how long they live on average.
How big do blue ram cichlids get?
The usual size of the electric blue ram is between 2-2.5 inches (5. 6 cm), making it a small fish.
What It Is Actually Like Living With German Blue Rams
When everything is dialed in, German Blue Rams are mesmerizing. Here is what the day to day actually looks like.
They own the bottom of the tank. A pair of GBRs will claim a territory around a cave or flat rock and patrol it constantly. They are not aggressive about it the way mbuna are, but they make it very clear that this is their spot. Other fish learn to stay away.
The color changes tell you everything. A happy, healthy GBR is electric. Deep blues, bright yellows, vivid black markings. When something is off, the colors wash out almost immediately. You learn to read your ram like a dashboard. If the color fades, something in the tank needs attention right now.
Breeding behavior is fascinating. If you get a bonded pair, watching them clean a spawning site, lay eggs, and guard fry together is one of the best things in the hobby. They are attentive parents when conditions are right. Most first attempts fail, but when it clicks, it is incredibly rewarding.
You will check on them constantly. More than any other fish I have kept, GBRs make you pay attention. You will find yourself walking by the tank just to confirm they are still active and colorful. That is not anxiety. That is just what happens when you keep a fish this responsive to its environment.
How the German Blue Ram Compares to Similar Species
The Bolivian ram is the comparison every German blue ram buyer needs to make honestly. Bolivian rams are hardier, tolerate temperatures from 72-79°F, handle a wider pH range, and live longer (4-5 years vs. 2-3 for German blue rams). They’re not as spectacularly colored, but they’re still attractive fish with great personality. If I had to recommend one ram species to someone who’d never kept dwarf cichlids, it would be the Bolivian ram every single time. Save the German blue ram for after you’ve proven you can maintain stable warm, soft water conditions.
The cockatoo dwarf cichlid (Apistogramma cacatuoides) is another excellent comparison. Cockatoos are hardier than German blue rams, tolerate a wider range of conditions, and males are incredibly flashy with their extended dorsal fins. They also breed more readily in captivity. The cockatoo is my recommendation for anyone who wants a colorful dwarf cichlid with breeding potential but isn’t ready for the demands of a German blue ram.
Final Thoughts
German blue rams or electric blue rams are beautiful freshwater fish with a peaceful temperament. However, they are not beginner friendly and require some exceptional care in pristine water conditions.
If not taken care of properly, the fish might show signs of stress and illness, eventually leading to their death. Therefore, proper tank maintenance and tank setup should be exercised to avoid accidents.
I’ve kept a lot of different crabs over the years. red claws, vampires, fiddler crabs. and one thing I’ll tell you right upfront is that the “freshwater crab” label is misleading for a lot of species you’ll find at the fish store. Many of them are actually brackish water animals that technically survive in freshwater but don’t truly thrive long-term. Knowing that distinction before you buy will save you a lot of frustration and some dead crabs.
That said, there are some genuinely great options that work well in freshwater setups, and others that make amazing paludarium inhabitants. After 25+ years in the hobby, here are the species worth keeping. with honest notes on what the care labels don’t always tell you.
In this article I’m talking about freshwater crab, crabs that are thousands of times smaller than any salt water crab you’ve seen, or eaten. And while some people in various parts of the world do actually eat these freshwater crabs as well, more and more they’re finding their way into the aquarium hobby trade.
Key Takeaways
Most freshwater crab are two inches or less fully grown
Many species are easy to keep and even breed
There is a huge variety of colors and sizes with almost 2000 species
Top 15 Freshwater Crabs
Let’s start off our list with a video from our YouTube channel. We will break down both aquatic and territerisal crabs that you can keep in an aquarium. We will include important states like tank size, scientific name, average size, and lifespan for each crab species. If you enjoy our content, be sure to subscribe as we have new videos that we release each week. Let’s get started!
1. Vampire (Geosesarma dennerle)
Family: Sesarmidae
Origin: Indonesian island of Java
Scientific Name: Geosesarma dennerle
Common Name: Vampire Crab
Diet: Omnivorous
Size: 1.5 inches (3.8 cm)
Lifespan: 2-3 years in captivity
Tank Size: 10-gallons
Temperature: 75-82 °F (24-28 °C)
Tank pH: 7.5-8.5
Tank kH: 10-25 dKH
The vampire crab is a semi terrestrial species meaning your tank will need to include a dry spot for them to roam and forage on since these type of crab can actually drown if they don’t have a dry area. A 2/3 land to 1/3 water is a good ratio and they only require freshwater. Sand or fine non-sharp pebbles makes the best substrate with a few mossy areas for them to poke around in.
Their carapace (shell width) is only about an inch wide and with their legs they rarely grow to to two inches fully grown. These beautiful crabs boast striking coloration that includes deep reds, purples and blues and are a recent addition to the aquarium trade. Most of the 50 plus species also have bright yellow eyes and paired with their coloration so it’s easy to see why they’re called vampire crabs.
But don’t let their name fool you, vampire crabs are a delight to keep and form social groups if you include a few of them, although they are not very active. A 10 gallon tank is adequate for 5 to 6 of them and they’re opportunistic feeders, so they’ll eat about anything including any plants you have.
For a different colored variation of the Vampire crab, check out the closely related bright orange Red devil crab (Geosesarma Hagen).
2. Thai Micro (Limnopilos naiyanetri)
Family: Hymenosomatidae
Origin: Thailand. only one river is known to have these, Tha Chin River
Thai Micro crabs is just that, Micro! These tiny crab only get up to a half inch wide and have a subdued transparent grey-silver color and long ‘spider’ like legs giving them the nickname False Spider Crabs.
Thai Micro Crabs live in the roots of the water plant hyacinth so try to replicate this environment as much as possible. Unlike most crab species, you want a lot of plants in your tank as they like to hide and rummage through the plants looking for bits of food and won’t dig them up or cause major damage to them.
These micro crabs are better left in a single community tank as these tiny crabs are so small almost anything else you would keep with them would end up eating them! They’re pretty defenseless and they mostly like to just leisurely hang around on driftwood and plants catching small food particles with the tiny hairs that cover their carapace and legs.
The first thing to know about these crabs is they are brackish water crabs and not freshwater crabs. Left with only freshwater, they’ll die in less than 6 months since they have gills that are accustomed to breathing in brackish water, so pay attention to your water quality if you want a healthy red claw crab!
Their defining feature is their brightly colored red claws, hence their name. The Red Claw Crab has two protruding black eyes positioned at the front of its head and range in color from dark green to brownish-red.
They will do well in a properly aquascaped paludarium with at least 70% brackish water and 30% land area. Sand is the best substrate as these crabs love to dig and burrow and are adept to sandy conditions. Hardscaping is important in order to give red claws a place to hide and molt. Driftwood and rocks are best as they can’t readily destroy them as they can your plants.
4. Panther (Parathelphusa pantherina)
Family: Sesarmidae
Origin: Indo-Pacific island of Sulawesi
Scientific Name: Parathelphusa pantherina
Common Name: Panther Crab, Leopard Crabs
Diet: Omnivorous
Size: 2-3 inches (5-8 cm)
Lifespan Captivity: 5 to 10
Tank Size: Minimum 10 gallons
Temperature: 75-85 °F (24-29 °C)
Tank pH: 6.5-7.5
Tank kH: 3-8 dKH
Panther Crabs are freshwater aquarium crabs that get their name from their unique black spotting on their light yellow and orange bodies. These fully aquatic crab can grow up to three inches and are easy crabs to take care of, but are semi-aggressive and may not do well with other tank mates.
In fact, it’s best to keep just one crab in a 20 gallon tank or larger. Line your tank with sand and give your crab plenty of rocks, driftwood and other hardscapes so there are plenty of place for one to search and hide when it needs to. But be weary of plants as Panther’s will dig them up and eat them.
Like most crabs, they are omnivores and appreciate a variety of foods like larvae, small shrimp and even decaying plant matter or blanched vegetables. They primarily feed and roam at night scavenging for food and eating anything they can grab. Lancetfish and unshelled shrimp are particularly great foods as they contain a lot of the calcium needed for Panther crabs to molt successfully.
The Pom Pom crab (video source) is a newer addition to the hobby and gets it’s name from the hairy tufts on its pincers that really do resemble little pom poms. These freshwater pom crabs are small and rarely get larger than an inch. They have a lightish tan or brown body with speckles or patches of darker browns with some oranges mixed in.
Pom crabs are very peaceful and are true aquatic freshwater aquarium crabs and can easily live in a community fish tank with similarly sized fish or small non-aggressive fish that won’t eat them. Be sure to use sand as a substrate with plenty of small stones and some driftwood for them to hide in and search for food.
The freshwater pom is an active scavenger and will eat almost anything including algae and detritus in your tank. They should be fed a varied diet that leans more towards plant materials like leafy greens as well as some protein like bloodworms and brine shrimp.
And be sure to keep a lid on any tank you have these in as they’re expert climbers and can make their way out of even the smallest holes. Sadly the pom pom crab has one of the shortest lifespans of any of the crabs on our list, lasting no more than a year in captivity.
6. Towuti (Parathelphusa ferruginea)
Family: Parathelphusidae
Origin: Lake Towuti, Sulawesi Island, Indonesia
Scientific Name: Sundathelphusa towutensis
Common Name: Towuti Crab, Rusty Brown Sulawesi Crab
Diet: Omnivorous – prefer live food
Size: 2 inches (5 cm)
Lifespan: Unknown, but estimated to be 2-3 years in captivity
Tank Size: 5 gallons or larger
Temperature: 75-82 °F (24-28 °C)
Tank pH: 6.5-7.5
Tank kH: 8-12 dKH
Towuti crabs are small 2 inch (5 cm) crabs that hail from one island in Indonesia, Sulawesi, and live in lakes and tributaries making them true fully aquatic species fit for any aquarium. Just make sure it has a lid as they’re active even in the day and expert escape artists.
The Towuti are aggressive and highly skilled hunters, so no community tanks for these guys. They will eat small fish, shrimp and anything they can get their claws on. They prefer live fish and shrimp over plant material, but adding fall leaves (dying or dead organic matter) or algae wafers gives them a feeling of home and the extra plant material these omnivores need.
7. Red Devil (Geosesarma hagen)
Family: Sesarmidae
Origin: Indonesia
Scientific Name: Geosesarma hagen
Common Name: Red Devil Crab
Diet: Omnivorous
Size: 1-2 inches (2.5-5 cm) in carapace width
Lifespan: 1-2 years
Tank Size: At least 5 gallons for a pair or trio, with plenty of hiding places and climbing structures.
Temperature: 72-78°F (22-26°C)
Tank pH: 7.0-8.0
Tank kH: 2-5 dKH
The Red Devil Crab (video source) has to be the meanest looking crab out of all of them. I mean, it just looks like a devil with its dark legs, bright red body and pincers and piercing yellow eyes starring at you. It’s definitely colorful.
They’re semi-terrestrial and do best in freshwater paludariums and share the same home as the Geosesarma Dennerle (Vampire crabs) in Indonesia. And although they may look really mean, they actually are not aggressive and like having the company of a few of their own species.
These smaller crabs measure around 2-3 inches (5. 7 cm) full grown and only live to about a year and a half. They are nocturnal and like to hide from light in the day time under rocks, wood and vegetation. And they’re really skillful hunters.
Red Devils enjoy hunting live foods like small slow fish, brine shrimp and anything it can get it’s claws on, but still need some detritus and dying plant matter as they’re omnivores.
8. Thai Devil (Cardisoma carnifex)
Family: Cardisomidae
Origin: Indo-Pacific region
Scientific Name: Cardisoma carnifex
Common Name: Thai Devil Crab, Black Land Crab, Giant Land Crab
Diet: Omnivorous
Size: Up to 18 cm (7 inches) carapace width
Lifespan: Up to 10 years
Tank Size: Not suitable for aquariums
Temperature: 75-85°F (24-29°C)
The Thai Red Devil crab (video source), not to be confused with the Red Devil Crab (Geosesarma hagen), is one of the largest terrestrial crabs growing up to 6. 8 inches (about 15. 20 cm) including its legs and is definitely not for the inexperienced hobbyist.
Not the most colorful crab with its maroon to brownish-grey or greyish-blue body and legs, Thai Devil Crabs do live up to 8 years although most of the time will be spent in their deep burrows, some of which can be as deep as seven feet.
Due to the way a Thai Devil Crab breathes, they need a lot of humidity as their lungs pull oxen from the water vapor, not the air. They are also aggressive and like to live on their own so you’ll need to keep them in a single species tank.
9. Matano (Syntripsa Matannensis)
Family: Gecarcinucidae
Origin: Lake Matano, Sulawesi, Indonesia
Scientific Name: Geosesarma notophorum
Common Name: Matano Crab
Diet: Omnivorous
Size: 2 inches (5 cm)
Lifespan: 2-3 years
Tank Size: 20 gallons or larger
Temperature: 72-82 °F (22-28 °C)
Tank pH: 6.5-7.5
Matano Crabs (video source) are aquatic creatures that can also come onto dry land if available. They’re a beautiful deep purple color including their purple carapace and have white pigmented joints.
The Matano crab is aggressive with same species crabs and it’s best not to keep more than one male in a tank. Male crabs will definitely fight, sometimes to the death.
These nocturnal crabs grow to between 3. 5 inches (7. 12 cm) and live around 3 years in captivity. Due to their larger size it’s best to keep a male and one or two females in a 20 gallon tank or larger. They’ll also eat slow swimming fish so don’t keep them in a community set up.
They actually come from the same lake in Indonesia as the Panther crab (parathelpusaa pantherina), although you shouldn’t keep them in the same tank. Like Panthers, a sand substrate is best with some gravel plus nooks and crannies to keep them occupied.
Matano Crabs are omnivorous scavengers and will eat practically anything but like many freshwater crabs, a variety of different foods is best.
10. Fiddler (Ocypodidae)
Family: Ocypodidae
Origin: Coastal regions worldwide
Scientific Name: Uca spp.
Common Name: Fiddler Crab
Diet: Omnivorous
Size: 1.5 inches (4 cm)
Lifespan: 2-3 years
Tank Size: 10 gallons or larger
Temperature: 75-85 °F (24-29 °C)
Tank pH: 7.2-8.2
Tank kH: 8-12 dKH
There are more than 100 of these semi-terrestrial crab species and each has it’s own color variation and unique attributes which makes these little crabs ideal for beginner crab owners.
The best environment to house them is a slightly brackish paludarium with at least 10. 20 cm (4. 8 inches) of sand for substrate so they can create little tunnels and burrow.
Fiddler Crabs will return to their burrows often and males will fight for the best burrow spots in your tank, so make sure there is plenty of room if you plan to keep more than one male.
These fascinating invertebrates come in a variety of colors and the options are endless. The most striking feature is of course the large claw or pincer that they’re named for, which is only on the males and is used for fighting and during mating.
Fiddler crabs are relatively small, barely growing to two inches including their leg span making them ideal for smaller aquarium set ups. A fiddler crab can live up to 3 years and are easy to care for and feed.
11. Hermit (Coenobita variabilis)
Family: Coenobitidae
Origin: Coastal regions of the Indo-Pacific
Scientific Name: Coenobita variabilis
Common Name: Hermit Crab
Diet: Omnivorous
Size: Average species is 2.5 inches (6.5 cm)
Lifespan: 5-30 years
Tank Size: Minimum 5 gallons
Temperature: 26-30°C (~80°F-85°F)
Tank pH: 7.5-8.5
Tank kH: 8-12 dKH
Hermit Crabs are terrestrial and most likely the first pet crabs crab owners get as they are so easy to find and inexpensive compared to most other pets. And there are hundreds of sub-species that range from an inch or less in size to the coconut hermit that gets a whopping 40 inches from leg tip to tip.
Their colors and life spans are just as varied and some can live up to 30 years!
What makes Hermits very different is they don’t have a hard exoskeleton like other crabs which is why they must find a shell to protect themselves, or they’re easily prayed upon. As they get bigger they must find a new shell discarding the old.
Hermits are also different in that they have modified lungs and breath from water vapor rather than water or air. This means to keep them you must have a tank humidity of 75% or more. No an easy thing for a beginner, so these are not really an easy crab to keep.
You should also use sand as a substrate that is always moist with brackish water and has a depth of at least four inches for a happy crab to burrow. And plenty of different sized shells for them to grow into!
12. Tanganyika (Parathelphusidae sp.)
Family: Parathelphusidae
Origin: East Africa, specifically Lake Tanganyika
Scientific Name: Neolamprologus multifasciatus
Common Name: Tanganyika crabs
Diet: Omnivorous
Size: 2-4 cm (0.8-1.6 inches)
Lifespan: Up to 4 years
Tank Size: 10 gallons or larger
Temperature: 75-82°F (24-28°C)
Tank pH: 7.0-8.5
Tank kH: 6-10 dKH
Tanganyika Crabs include nine known species all deriving from Lake Tanganyika in East Africa. These are one of the rarest species and little research has been done on them. So if you are able to secure one of these, consider yourself lucky.
The species ranges from one to two inches in size and all are some sort of light brown and tan in color. Honestly a bit unremarkable.
They are true aquatic crabs and don’t need any dry land to thrive. They prefer a sand substrate and pebbles and don’t borrow like other crabs. They do, however need places to hide so include some rocks and driftwood in your tank.
And forget about plants as these little aquarium crabs will shred and eat anything and are opportunistic scavengers in their natural habitat.
13. Marble Batik (Metasesarma obesum)
Family: Sesarmidae
Origin: Southeast Asia
Scientific Name: Metasesarma obesum
Common Name: Marble Batik Crab
Diet: Omnivorous
Size: 2-3 cm (0.8-1.2 inches)
Lifespan: 2-3 years
Tank Size: 10 gallons or larger
Temperature: 75-85°F (24-29°C)
Tank pH: 7.5-8.5
Tank kH: 2-8 dKH
The Marble Batik Crab is another land or terrestrial crab that is actually quite rare in the aquarium hobby world. They’re small and only grow to less than two inches and live for up to 3 years.
They’re easy to keep and don’t require much water, although if you have the space a freshwater and a saltwater bowl with marine salt are optimal. But you can just keep them in a 5 gallon tank with a freshwater bowl if necessary.
Like most land crab, Marble Batiks like to burrow and require a minimum 2 inch substrate of sand and small pebbles. They love to explore and you should provide them with plenty of places to do so using rocks and driftwood. Plants are also good.
Like most land crabs, they are easy enough to keep provided you’re able to keep the humidity at 75% or more as they breath through water vapor and not through water or air.
14. Red Apple (Metasesarma aubryi) aka Chameleon
Family: Grapsidae
Origin: Indo-Pacific region
Scientific Name: Pugettia producta
Common Name: Red Apple Crab, Chameleon Crab
Diet: Omnivorous
Size: 1-2 inches (2.5-5 cm)
Lifespan: 3-6 years
Tank Size: 10 gallons
Temperature: 68-78°F (20-26°C)
Tank pH: 7.5-8.5
Tank kH: 4-10 dKH
Red Apple crabs as a species are terrestrial crabs that grow to be about 7. 10 cm (3. 4 inches) in total size and live to anywhere between 3 to 6 years old. Since they are terrestrial, all they really need is a freshwater bowl in a landscaped aquarium, although a paludarium setup works best.
These are really hardy and easy to care for making them very beginner friendly pets. They’re colorful with dark legs and bodies that have red and orange claws and bright yellow eyes making them attractive pets to keep. They are also called Chameleon crabs because their colors can change according to their moods.
Red Apples are social and you should include a minimum of 2 to 3 crabs in your tank.
15. Rainbow (Cardisoma armatum)
Family: Grapsidae
Origin: Indo-Pacific region
Scientific Name: Cardisoma armatum
Common Name: Rainbow Crab, African Rainbow Crab, Nigerian Moon Crab, Patriot Crab, Rainbow Land Crab
Diet: Omnivorous
Size: up to 5 inches (12.7 cm)
Lifespan: up to 3-5 years
Tank Size: Minimum 20-30 gallons for one crab
Temperature: 75-85°F (24-29°C)
Tank pH: 7.5-8.5.
Tank kH: 8-15 dKH
Rainbow Crabs (video source) are a semi-aquatic and aren’t the easiest crab to keep as they need a relatively high humidity level in their tank, up to 80%, as they have special gills that breath from humidity and not the water or air like most other crabs. They also need a place to completely dry off and need 5-10% brackish water to do their best.
These brightly colored brackish crabs prefer to spend most of their time buried in burrows they make in the sand substrate of your tank. So make sure you have at least 6 inches of sand on the bottom so they can dig away. Also include things to keep them busy like driftwood and rocks that create little caves and crevices for them to explore.
These are very aggressive crabs with sharp pincers and should be kept alone as they will literally fight with their own species to the death. They can grow from 6 to 8 inches which makes them one of the largest crab on our list, and one requiring a large tank of at least 20 gallons for a single rainbow land crab, 40 or more for more than one rainbow land crab.
These brackish crabs omnivorous and love to scavenge at night for foods like crab pellets and algae wafers when they’re most active. During the day they are usually sleeping in the burrows they’ll make in your substrate.
Tank Mates For Freshwater Aquarium Crabs – And Which to Avoid!
When it comes to what makes good tank mates for crabs, it really depends on the species of crab and their preferences. As a general rule, most land crabs do not do well with other crabs, especially male to male. Some will fight to the death. And others will fight with other species of crab. You really need to research each individual species to know.
Another general guideline is never include small slow moving fish as most crabs are hunters as well as scavengers and will eat whatever they can catch. And similarly, larger aggressive fish will usually make a meal of your crabs. So again, it’s really important to look at each individual species’ requirements.
Some other bad tank mates are shrimp, crayfish and any small slow creature that can easily become a meal. Most crab are predators, and all of them are omnivores which means they eat meat. So expect them to dine on whatever is in the tank and they can catch and you should be safe.
One note, just because your crab can’t catch the fish in your community tank doesn’t mean it is okay. Fish know a predator is around and this can really stress them out. So usually it’s best to just keep crab by themselves.
What crabs live in freshwater?
There are many species of crabs that can live in freshwater. Here are a few:
Yes, there are some fully aquatic freshwater crab species with the largest family being “Potamidae,” which includes the Mexican Dwarf Crab (Cambarellus patzcuarensis), the Red Clawed Crab (Perisesarma bidens), and the Thai Micro Crab (Limnopilos naiyanetri). All of these crabs live in freshwater streams, rivers and lakes and are ‘true’ freshwater crab. Panther Crabs (Parathelphusa pantherina) are another fully aquatic crab.
Are there any edible freshwater crabs?
Yes, freshwater crab is eaten just like any other crustacean. Although many species of these crab are very small and don’t really make a meal themselves, when added to soups and stir fries these crab provide protein and flavor to a number of dishes around the world. Matano Crab are commercially harvested for food.
What do freshwater crabs eat?
Freshwater aquarium crab are omnivores that usually feed on dead plants and animals they find when foraging for food. They eat anything from algae and detritus to small fish and other invertebrates.
Can you have crabs in a freshwater tank?
Yes, you can keep these crabs in a freshwater tank. But make sure the crab species you plan to keep is compatible with your tank setup as many species are aquatic and terrestrial and need a dry place as well as fresh water.
Can I put a crab in my fish tank?
Yes, you can put a crab in your fish tank if it is an aquatic crab. Most freshwater crabs are terrestrial and need to be able to walk on drier surfaces. You’ll need to research which species of crab you want and find out if they are truly aquatic freshwater crabs.
Are hermit crabs good for freshwater aquariums?
Overall a hermit crab is not a good fit for a freshwater aquarium set up. Most hermit crab need salt water, although they can live in fresh water as well. Also, hermits need to be able to walk around on dry ground, so an aquarium with no dry areas is not a good set up for them.
Can you put crabs in freshwater fish tank?
You can add crabs to a freshwater fish tank provided they are the correct species. There are many species that do well in freshwater fish tanks. Take a look at our list above to find the right crabs to keep.
In Closing
Keeping freshwater crabs is just one more exciting way to diversify your aquarium with something new and super interesting. And no matter what type of aquarium set up you have, there’s a species that matches, from terrestrial, semi-terrestrial and even completely aquatic species, these crabs offers something for everyone.
📘 Want to learn more? This article is part of our complete Freshwater Fish Guide. your ultimate resource for freshwater species, care tips, tank setup, and more.
Freshwater angelfish are one of the most popular cichlids in the hobby and one of the most misunderstood. They are not community fish in the way most people think. They eat small tetras, bully slow swimmers, and become territorial nightmares when they pair off. I have kept angelfish for over 25 years and the most common mistake I see is stocking them with fish they will eventually eat. It happens every single time. The community fish that stops being a community fish the moment it is big enough to eat its neighbors.
The community fish that eats the community.
What Most Care Guides Get Wrong About Freshwater Angelfish
The most persistent myth about angelfish is that they’re peaceful community fish. They’re cichlids. They eat small fish. I can’t tell you how many times I’ve heard from keepers who watched their angelfish eat their neon tetras overnight. If it fits in an angelfish’s mouth, it’s food. And adult angelfish have surprisingly large mouths. The other major misconception is tank size. Yes, a single angelfish can technically survive in a 20-gallon tall tank, but a pair or small group needs 55 gallons minimum. Their tall body shape means they need vertical space too, not just footprint.
Freshwater angelfish are one of the most recognizable fish in the hobby. And one of the most misunderstood. People buy them as juveniles thinking they’re peaceful community fish, then are surprised when a 6-inch adult starts eating neon tetras and bullying everything in the tank. I’ve kept angelfish for years and they’re genuinely wonderful fish, but they need the right setup and the right tank mates. This care guide covers what actually matters from my experience, not just the textbook requirements.
What It Is Actually Like Living With Freshwater Angelfish
This is the part no other care guide gives you. Forget water parameters for a minute. Here is what it is actually like to share your tank with this species.
They are graceful and slow. Watching angelfish drift through a planted tank is hypnotic. Their slow, deliberate movements and tall, flowing fins make them one of the most elegant freshwater fish.
They pair off and breed readily. If you have a group of 6, at least one pair will form and start laying eggs. The breeding behavior is fascinating to watch, but be prepared for increased aggression.
They recognize feeding time. Angelfish learn your routine quickly. They congregate at the feeding spot before you even open the food container. Some will eat from your fingers.
Fin nipping is a constant risk. Tiger barbs, serpae tetras, and other nippy species will shred angelfish fins. Those long, flowing fins are irresistible targets. Choose tank mates carefully.
How the Freshwater Angelfish Compares to Similar Species
The altum angelfish is the wild cousin that every angelfish enthusiast eventually considers. Altums are taller, more dramatic, and have a presence that domestic angelfish can’t match. But they’re also significantly more demanding. They need soft, acidic water, warmer temperatures (82-86°F), and are much more sensitive to water quality. Domestic freshwater angelfish are reliable, good-looking, and easy to live with. Altums are breathtaking but high-maintenance. Unless you’re experienced with demanding species, start with domestics.
The discus is the other tall, round South American cichlid that gets compared to angelfish. Discus are more colorful and arguably more beautiful, but they’re in a different league of difficulty. They need warmer water (82-86°F), are extremely sensitive to water quality, and cost significantly more. Angelfish give you about 60% of the discus experience at about 10% of the difficulty and cost. For most keepers, that’s a great trade-off.
Frequently Asked Questions
How big do freshwater angelfish get?
Freshwater angelfish can grow up to 6 inches long and 8 inches tall, including their elongated dorsal and anal fins. In a well-maintained aquarium with proper nutrition, most reach their full size within 12 to 18 months.
Can angelfish live alone?
A single angelfish can do fine on its own in a community tank, but they are more confident and display better coloring when kept with a companion or small group. If you go with a pair, watch for territorial behavior during breeding.
Are angelfish aggressive?
Angelfish are semi-aggressive, especially during breeding. They establish a pecking order in groups and can bully smaller or slower-moving fish. Providing plenty of vertical space and line-of-sight breaks with tall plants helps reduce aggression.
What is the ideal tank size for angelfish?
A 30-gallon tall tank is the minimum for a pair of angelfish. For a small group of four to six, aim for a 55-gallon or larger. The vertical height of the tank matters more than footprint because of their tall body shape.
How long do freshwater angelfish live?
With proper care, freshwater angelfish live 8 to 10 years in captivity. Some well-kept specimens have been reported to live even longer. Stable water parameters, a varied diet, and low stress are the biggest factors in longevity.
Do angelfish eat smaller fish?
Yes, angelfish are opportunistic feeders and will eat fish small enough to fit in their mouths. Neon tetras and small rasboras are common victims. Choose tank mates that are too large to be eaten, such as larger tetras, corydoras, or peaceful medium-sized species.
The Reality of Keeping Freshwater Angelfish
Angelfish are beautiful and widely available. But the pet store version of what they need and the reality are two different things.
They eat small fish. Any fish that fits in an angelfish’s mouth is food. Neon tetras, guppies, small rasboras. All fair game once the angelfish reaches adult size. Choose tank mates that are too large to be eaten.
They need tall tanks. Angelfish grow tall, not just long. Their fins can span 8 to 10 inches vertically. A standard 20 gallon long does not have the height they need. A 55 gallon or taller tank is the minimum for a small group.
They fight for dominance. In a group of angelfish, a hierarchy forms. The dominant pair claims the best territory and pushes everyone else around. In a tank that is too small, subordinate angels get beaten up constantly.
Breeding pairs become aggressive. A mated pair of angelfish guarding eggs will attack anything that comes near. This includes tank mates that have lived peacefully with them for years. Be prepared for this shift in behavior.
Biggest Mistake New Freshwater Angelfish Owners Make
Keeping them in a tank that is too short. Angelfish need vertical space. A 20 gallon long is a terrible home for angelfish even though it has enough gallons. Get a tank that is at least 18 inches tall, preferably 24.
Expert Take
Keep angelfish in a 55 gallon or larger tank that is at least 18 inches tall. Choose tank mates that are too big to eat and too calm to nip fins. Rummy nose tetras, corydoras, and bristlenose plecos are the classic companions for a reason. They work.
Key Takeaways
Freshwater angelfish are peaceful fish that can be kept in a community planted tank.
It can be slightly challenging to find appropriate tank mates for angels due to their potential aggression, but they do well with larger tetras and their own species.
Angelfish have undergone selective breeding to express the best colors and patterns possible.
Breeding angelfish is straightforward and happens on its own in the right settings. This has eliminated the need to collect wild angelfish.
Species Overview
Scientific Name
Pterophyllum scalare
Common Names
Angelfish, Freshwater angelfish
Family
Cichlidae
Origin
Amazon River system
Diet
Omnivore
Care Level
Easy
Activity
Low
Lifespan
10 to 12 years
Temperament
Peaceful (Semi-aggressive when breeding)
Tank Level
All
Minimum Tank Size
40 gallons
Temperature Range
75. 82°F
Water Hardness
1-5 KH
pH Range
6.0 to 7.0
Filtration/Water Flow
Moderate to high
Water Type
Freshwater
Breeding
Egg Layer
Difficulty to Breed
Easy
Compatibility
Certain community species
OK, for Planted Tanks?
Yes
Classification
Order
Cichliformes
Family
Cichlidae
Subfamily
Cichlinae
Genus
Pterophyllum
Species
P. Scalare (Schultze, 1823)
Brief Introduction
Freshwater angelfish remain one of the most popular fish available in the aquarium hobby. These fish have been around for decades and still hold the hearts of hobbyists everywhere. Check our our video from our YouTube Channel. We have more details in our blog post so you can follow along to both!
Now more than ever, dozens of angelfish varieties featuring every color and pattern are readily available. Their easy care requirements on top of their simple breeding, make angelfish one of the best feature fish you can have in your freshwater tank.
There are a few considerations that come along with owning angelfish, though. These fish, scientifically known as Pterophyllum scalare, actually belong to the cichlid family. If you know anything about freshwater fish, then some red flags is going off in your head. Cichlids are aggressive, right?
Yes, freshwater cichlids are known for being aggressive. However, angelfish are one of the most peaceful cichlid species for the home aquarium. They are often kept with community tank species but can also be kept with other semi-aggressive cichlids. This leaves a lot of possibilities for tank mates and tank setups!
It should be noted that two other species of angelfish are sometimes seen in the aquarium hobby: P altum (Known as Altum Angelfish) and P leopoldi. For this article, we will only focus on P scalare.
Do Angelfish Live in Freshwater?
Yes! Angelfish live in freshwater. But angelfish also live in saltwater. This is a case of stolen identity. Freshwater angelfish are not related to saltwater angelfish. Freshwater angels belong to the Cichlidae family while saltwater angels belong to the Pomacanthidae family. Even as you go further up their scientific taxonomy, there is no connection between these two fish.
Most likely, they are both regarded as angelfish due to their intricate trailing fins and rounded appearance.
Origin and Habitat
Angelfish originate from the Amazon River basin throughout the northern regions of tropical South America. More specifically, they is found in Colombia, French Guiana, Peru, Brazil, and Guyana.
These fish are found in slow-moving waters filled with vegetation. Water is soft and stained from tannins due to organic matter that falls from the jungle canopy above.
Today, most aquarium angelfish are bred in captivity. As we’ll see, they are easy to breed and acclimate well to aquarium conditions. This makes transporting them to your own aquarium much easier, with less risk of introducing disease and parasites from wild-caught individuals.
Appearance
What’s angelic about a fish? We’ll tell you.
Angelfish are unlike any other fish available. They have compact yet tall bodies with trailing fins. These long pelvic fins are sometimes known as feelers as they is seen extended forwards and sideways to interpret their surroundings better. With their fins and slow, graceful movements, they effortlessly float from one side of the tank to the other. Some species naturally have red eyes and they make excellent centerpiece fish.
On top of their ornate appearance, angelfish also come in many different colors and patterns. Here are some of the most common color variation options:
Koi angelfish. Named after their resemblance to the coldwater species, koi angelfish feature mottled variations of white, yellow/orange, and black.
Marble angelfish. There are a few variations of angelfish within the marble category, including veil tail varieties. These fish often feature black and silver marbling with long, uneven streaks of color. The black marbling varies from fish to fish.
Zebra angelfish. Zebra angelfish are similar to their wild-type variations but have much broader and more even alternating silver and black stripes.
Silver angelfish. These angels are thought to be the most natural variety, with a silver body and random, thin vertical black stripes.
Black lace angelfish – pictured above. This fish offers a silver body with black strips and the trademark red eye
Gold angelfish – A light sliver and orange to gold color near the face. You will also see gold marble varieties that will offer black marks across the body and fins
Veil angelfish – These fish have long upper and lower fins that make them appear taller in the aquarium. They do best in tall planted tanks.
How Big Do Freshwater Angelfish Get?
Don’t be fooled by the small angelfish for sale at your local fish stores. These fish are sold as juveniles but can grow to get quite big over time. Freshwater angelfish can grow to be 6 inches in length and 8 inches tall. It isn’t unheard of for them to reach up to 12 inches in height at mature size.
Lifespan
On top of their size, angelfish can live for considerably longer times. Freshwater angelfish can live to be over a decade old, sometimes surpassing 12 years of age!
This long lifespan is important to keep in mind as they are a long-term commitment. On top of their large size and volatile temperament, angelfish should never be an impulse buy.
Food and Diet
To get the best fins and colors out of your angelfish, you want to provide the best food and diet possible. These are large centerpiece fish, but they have small mouths and aren’t overly ambitious when it comes to feeding times. This means that feeding angelfish requires some special attention.
Angelfish eat at the surface of the water. They may chase after some sinking food, but they prefer a high-quality pellet or flake food that can easily fit in their mouth. It should also be noted that they’re not overly ambitious eaters, and prefer to eat at a relaxed pace. If the other tank mates in the aquarium are overly active, then it is necessary to offer both floating and sinking foods for better distribution.
Otherwise, freshwater angelfish will appreciate a variety of live, frozen, and freeze-dried foods, like brine shrimp, mysis shrimp, and mosquito larvae. As omnivores, they is offered a variety of blanched vegetables as well, including cucumber and lettuce. These vegetables is clipped to the side of the aquarium to prevent your angel from dragging its fins across the bottom of the tank.
How Often Do You Feed Angelfish and How Much?
In general, aquarium fish should be fed at least once a day. The portion should be able to be eaten within 5 minutes, with the excess being immediately removed from the tank. Many hobbyists prefer to feed their fish in more frequent, smaller portions. An example of this feeding schedule would be a pinch of food in the morning, afternoon, and night.
Temperament and Behavior
Angelfish are largely peaceful fish. Many hobbyists keep them without ever having a problem with other fish. Now and again, a hobbyist will experience an overly aggressive angelfish, which taints the name of the species altogether.
It is true that angelfish is semi-aggressive. Caution should be taken when keeping angels, especially larger individuals, with slow or small fish. When buying angelfish, try to go for juveniles. Sadly, there is probably a reason why a large angelfish has been returned to the store, often caused by over-aggression.
Otherwise, angelfish are very docile. They is seen floating at the top and in the middle of the water column without hardly moving their fins. They may swim at all levels of the aquarium, but they especially like hanging out by the surface, waiting for food.
Best Tank Mates
While often sold as a community fish, angels need some careful tank mate planning. In general, angelfish is kept with most community tank species as long as they aren’t fin nippers or overly active.
It is important to a juvenile angelfish will grow. Just because they is safely kept with certain species while small does not mean that those same tank mates will be compatible in the future. Because of this, it’s best to plan your community aquarium for long-term success.
Here are some of the best community angelfish tank mates:
Adult angelfish have been known to be aggressive towards one another. But there’s no denying how incredible these fish look together in planted community tanks!
These fish are best kept in pairs as male and female in the long term. In larger tanks, small groups of 5 or more may be kept as long as fish are added together at the same time while still juveniles. It’s also strongly recommended to only keep female angelfish together to prevent harassment, though this is difficult as there are minuscule differences between males and females.
To prevent aggression altogether, only keep a single angelfish in any given tank.
What Size Tank Do You Need For 2 Angelfish?
Many hobbyists like keeping freshwater angelfish in pairs. This increases the chances of breeding and also lessens the possibility of aggression arising.
In general, the bare minimum tank size for any angelfish is 40 gallons. However, if keeping only a single pair of angelfish in an aquarium by themselves, then it’s possible to keep them in a 20 gallon tall aquarium; this is one of the only fish in the aquarium trade that does better in a taller aquarium rather than a long one.
Do Angelfish Eat Other Angelfish?
A large, adult angelfish may eat a smaller angelfish. Though these fish have tiny mouths, they’re very capable of bullying other fish until they die. At that point, they may begin to eat the fish. This is especially known to be true for smaller species, like neon tetras.
Whenever adding angelfish to an aquarium, make sure that they are all relatively the same size and preferably from the same tank.
Tank Mates to Avoid
Angelfish tank mates to avoid are smaller, slower fish. Because of this, most species of tetra are incompatible with angels; at the same time, fin-nipping tetra species must also be avoided. Overly aggressive species, like African cichlids, can’t be kept with angelfish as they may injure or stress them out. Lastly, tank mates can’t be overly active as this could also cause damage to your fish or cause unnecessary competition during feeding periods.
Complete Care Guide
Once you get the tank mate situation sorted out, angelfish care is easy. These are relatively hardy fish that have been captive bred in the aquarium trade for decades. This has made them very resistant to common aquarium illnesses and forgiving of incorrect water conditions.
Here are some ways you can give your angelfish the best life possible!
Aquarium Setup
The best angelfish aquarium setup will resemble their natural habitat with slow-moving water and dense vegetation. In fact, the angelfish body shape is perfectly designed to flow in and out of live plants. Not only do plants make your fish feel at home, but they also help maintain water quality and lessen the need for tank maintenance.
On top of live plants, hard structures, like driftwood and smooth rocks, is used to make your fish feel more comfortable.
Tank Size
Angelfish can get to be pretty decent sizes, but their relaxed demeanor and ease of care don’t make a large tank necessary.
What size tank do angelfish need? A single pair of angelfish without any other fish need a 20 gallon tall tank. A pair of angelfish with other community fish need at least a 40 gallon aquarium. A small group of angels should be kept in freshwater aquariums over 100 gallons.
As mentioned before, a tall tank is better than a long tank when keeping angelfish due to their long, pointed fins.
Tank Decorations
Angels are best kept in aquariums that match the conditions of the freshwater rivers and streams that they’re found in, but they have adapted to the more traditional appearance of hobbyist tanks. This means they is kept in a planted aquarium with natural driftwood and rock or colorful decor and pirate ships.
Just as long as these decorations are aquarium-safe and won’t tug at your fish’s delicate fins, they is used for an angel tank.
Substrate
Similarly, angelfish is kept on an assortment of substrates, like sand, gravel, or even a bare bottom. Sand is beneficial for hobbyists looking to achieve a natural appearance that facilities plant root growth. Gravel is a popular choice for beginner hobbyists that aren’t interested in keeping plants. A bare bottom is great for angel keepers looking to minimize their workload.
Is the Freshwater Angelfish Right for You?
Before you commit to this species, here’s an honest assessment of whether it fits your setup and experience level.
A true classic for good reason. Angelfish have been popular since the 1930s because they’re beautiful, engaging, and readily available in dozens of varieties.
Choose tank mates carefully. No fish small enough to eat (goodbye, neon tetras) and nothing nippy enough to damage their fins (no tiger barbs).
Need vertical space. Their tall body shape means tank height matters as much as length. At least 18 inches tall, ideally 24.
Can become territorial during breeding. A pair guarding eggs will dominate a significant portion of the tank, pushing other fish out of their territory.
Excellent for planted tanks. They look stunning among tall plants like Amazon swords and vallisneria, which also mimic their natural habitat.
Plan for a group of 5-6 if you want to see natural pairing behavior. Buying a single angelfish works, but watching a pair form naturally from a group is a special experience.
Lighting
Angels aren’t shy fish. In fact, shyness is a sign that something is wrong. For the most part, angelfish are likely to be found in the front of the tank. If they’re hiding in the back, then they is facing bullying from other fish, improper water parameters, or overly intense lighting.
If you find that your fish is staying in the shadows of your tank, observe for bullying, test water conditions, and try lowering the lighting intensity. Adding floating plants and creating more areas of shade can help your fish feel more comfortable.
Live Plants
Live plants are the best tank mates for angelfish! These fish is kept with all species of plant in a high or low tech setting. They especially enjoy floating plant species that provide food and coverage at the top of the tank.
Tank Maintenance
If keeping angels in a planted aquarium, then not a lot of tank maintenance is required as the plants will naturally recycle excess nutrients. Here’s how to make sure your angel tank stays running smoothly!
Filtration and Aeration
Angelfish do best in an aquarium with little to no water current. However, adequate water flow is necessary for the circulation of gases and nutrients throughout the aquarium.
For the most part, the current from an appropriately sized hang on the back filter or canister filter will be gentle enough for angels. If you find that your fish is struggling to swim in your aquarium, then it is necessary to baffle the return flow.
Angelfish grow to large sizes, which means more waste. Gauge how many fish you have and their size when picking out your aquarium filter. Otherwise, additional aeration is not necessary, though a carbon dioxide diffuser is necessary for heavily planted setups.
Water Parameters
Angels are hardy fish, but cannot tolerate traces of ammonia or nitrite. Planted aquariums require nitrate to run, though levels should always remain under 30 ppm. It may be necessary to dose nutrients for healthy plant growth.
While wild angelfish originate from acidic water conditions, most individuals have been captive bred. This means that they have adapted to average aquarium conditions with a pH between 6.0 and 7.0 and a water temperature between 75 and 82°F.
Tank Maintenance
For most aquariums, a 10-25% weekly or biweekly cleaning schedule maintains water parameters. This percentage and frequency may change depending on the number of plants and current bioload in the aquarium. It’s strongly recommended to use an aquarium vacuum while performing a water change to remove any debris or waste that gets stuck in the substrate or between plant stems.
Another part of maintenance is trimming plants. Though this isn’t required, some plants can grow unruly, which can start to become overwhelming. Not to mention that you will need to keep up with feeding your plants as well.
Breeding
Breeding angelfish is easy, fun, and rewarding. These fish are easy to breed as long as you’re able to establish a male and female pairing. Breeding should take place in a separate tank if there are other fish present in the aquarium. A video below by Patrick Neary goes into more detail.
There are a few differences between male and female angels, but they is hard to see. One of the only, though not always guaranteed, ways to tell these fish apart is by examining their behavior. Male angelfish will show much more territorial behavior than females, though some females is just as aggressive.
In general, it’s best to shop from pet stores that already have an established breeding pair. Otherwise, a small group of juvenile angelfish is purchased and maintained until a breeding pair has formed.
Once a pair has formed, they angelfish mate on their own. The water temperature may be slightly elevated, and the quality of food increased to encourage spawning. When ready, the female will release eggs that the male will fertilize. Angelfish parents are very protective of their eggs and should be kept together during this time.
Within a few days, the eggs will hatch the fry will become free-swimming. Baby brine shrimp are great to feed these newborn fish as the yolk sacs of newly hatched brine shrimp offer a lot of nutritional value to them. The parents will continue offering protection during this time but have been known to eat their fry if not supplied with enough food!
Fry may be fed tiny foods, like brine shrimp nauplii, until ready to accept bigger portions.
Fish Diseases
Though angels are hardy fish, they’re susceptible to a few unique diseases and illnesses. Like other fish, they can contract ich, velvet, and fin rot, especially if their long fins are allowed to scrape across objects in the aquarium. Here are a few less common problems you will experience with your angelfish:
Cloudy eyes. Cloudy eyes are never a good sign in fish. They’re indicative of a larger bacteria, fungus, or parasitic infection. Cloudy eyes are caused by poor water quality and can be treated with consistent water changes and light medication treatment.
Gill flukes. These are parasites that take over the fish’s gills and cause inflammation, difficulty breathing, and secondary infections. Gill flukes are a little more difficult to treat than affected fish experiencing cloudy eyes and can require medication, dips, and consistent water changes.
Hexamita. Another parasitic infection, Hexamita causes hole in the head for angels. This is caused by water quality and can be treated by removing carbon from the aquarium, medications, and water changes.
When picking out your new fish, find angelfish that are bright in color, round in the head, and with clear eyes. If possible, ask the employees at the pet stores to feed the fish in front of you. There should be no hesitation to eat. Once home, quarantine your angels accordingly.
Conclusion
Angelfish are cichlids first and community fish second. Forget that and your neon tetras disappear.
Angels are very popular fish for a good reason! They are easy to care for, beautiful in color, and a statement piece for any freshwater aquarium. It is slightly challenging to find suitable tank mates for angels, but they do well on their own, in pairs, or with large, moderately active species. When kept in pairs, they’re easy and rewarding to breed!
Tropical fish were how I got into this hobby, and after 25+ years and a lot of tanks, I still think a freshwater tropical setup is one of the most rewarding things you can do in this hobby. The variety alone is wild. schooling tetras, large cichlids, oddballs, planted tanks, biotopes. There’s genuinely something for every skill level and every taste.
This guide covers 30 of the most popular tropical species you’ll come across, with honest notes on which ones are truly beginner-friendly and which ones get sold as “easy” but have requirements that can trip you up if you’re not prepared.
Key Takeaways
Tropical fish need an electric heater in their tank to stay warm.
There’s a tropical fish species for you, no matter how big your tank and your budget are.
Many freshwater tropical fish can live together, but it’s important to research each fish’s temperament and diet to avoid any accidents.
Fish aren’t the only amazing creatures that live in fish tanks. Amphibians and invertebrates make great pets too!
What Are Tropical Freshwater Fish?
Fish are the most diverse group of vertebrate organisms on the planet (by a long way!), and the tropics have the most variety of all. Freshwater tropical fish are simply the species that come from freshwater bodies like rivers and lakes near the Earth’s equator.
These areas stay warm throughout the year, and abundant rain creates plenty of habitats for these fish to thrive. Freshwater tropical fish often have bright colors and exotic features, and many of these fish do great in home aquariums, provided we can keep the water in their tank warm like their wild home.
There are just so many different tropical fish species that we need a way to split them up into different aquarium fish categories. Let’s take a quick look at some of these groups before we get into the different species.
Schoolers and Shoalers
Many tropical fish species are highly social, and they live in groups in the wild. These fish either hang out in schools where each individual swims in the same direction and move together, or in shoals, where they stay near each other but do their own thing until it’s time to move on.
Schooling and shoaling fish make great aquarium fish, but it’s important to keep enough of them to form their own little school and feel safe together.
Centerpiece Specimens
Some fish are perfectly happy to live on their own, and these species can make great freshwater aquarium fish too. These fish might be the biggest, coolest fish in a tropical community tank, or have the aquarium all to themself as a ‘wet pet’.
Centerpiece fish are often more time-consuming fish, but they are also the most rewarding fish you can keep!
Bottom Dwellers
Bottom dwellers might sound like an insult to some, but there’s a whole world of amazing freshwater aquarium fish species that spend their lives on the bottom of the tank!
These fish often benefit aquariums by cleaning up scraps and wasted food that the other species miss, and they tend to have really weird and interesting body shapes. However, bottom-dwellers usually favor camouflage over bright colors so that they can blend in with their environments.
Peaceful vs. Aggressive Types
Different tropical fish species have different ways of interacting with the other fish. Some fish are highly territorial and do not allow other fish to approach their turf, while others are peaceful and get along great with friends and neighbors.
Sometimes aggressive fish can live with other aggressive fish because they are tough enough to defend themselves, but peaceful community fish do not mix well with aggressive or territorial fish. Placing them together will put your prized pets at risk of getting bullied, eaten, or killed!
Tropical Freshwater Fish Species – 30 Amazing Types!
Are you ready to learn about some awesome freshwater tropical fish? There are way too many species to cover in this article alone, but let’s start out by getting to know the 30 best types that you can keep. I also included a video from our YouTube Channel to help visualize. Our blog post goes into more details so please look at both. If you like our content, be sure to subscribe!
I’ve included the following important facts about each group to help you decide which fish are best for you:
Fish Family
Fish Type
Temperament
Care Level
Size Range
Special Features
Here we go!
1. Arowanas
Fish Family: Osteoglossidae
Fish Type: Centerpiece fish
Temperament: Aggressive
Care Level: Expert
Size Range: 2 – 3 feet
Special Features: Huge size and dragon-like scales
We’re kicking off this list with a true monster fish, just to show you what is possible in the tropical fish-keeping hobby. Arowanas are time-consuming and expensive aquarium fish that need huge aquariums, but boy are they beautiful!
These aggressive fish have huge mouths, and that means any fish that is small enough to eat will probably end up as lunch. Nevertheless, these unique tropical fish can make wonderful pets for experienced fishkeepers.
2. African Cichlids
Fish Family: Cichlidae
Fish Type: Centerpiece fish
Temperament: Semi-aggressive or aggressive
Care Level: Intermediate
Size Range: 1.5 – 16 inches
Special Features: Amazing colors and fascinating breeding behaviors
African Cichlids fall into an in-between category. They make an awesome community species, but they certainly are not peaceful community fish!
These fish have some of the most vibrant colors in the hobby, and their high activity levels make them the first choice for aquarists who want a busy tropical fish tank.
African cichlids tend to be highly territorial, and they will fight and even kill each other if you keep the wrong species, in the wrong numbers, or in the wrong tank setup. They also need hard, high-pH water to thrive, so they aren’t the best choice for beginners.
Temperament: Aggressive to their own kind and fish that look like them
Care Level: Easy
Size Range: 2 – 2.5 inches
Special Features: Great beginner fish for small aquariums
There are many wild species of betta fish, but the Betta splendens, or the Siamese fighting fish is the most popular. These awesome little tropical fish are perfect for small aquariums, and you can find them in pretty much any pet store.
The male betta fish is usually more colorful, but females make great pets too. The most important rule is to keep just one betta fish in a tank, these fish love to fight!
4. Barbs
Fish Family: Cyprinidae
Fish Type: Schooling fish
Temperament: Peaceful to semi-aggressive
Care Level: Easy to intermediate
Size Range: 2 – 14 inches
Special Features: Beautiful fish with glossy scales and a range of colors and patterns
Aquarium barbs are a popular group of tropical aquarium fish for many reasons. Most are peaceful schooling or shoaling fish that are ideal beginner fish and very affordable. Some, like the tiger barb, can be pretty mean though, and these aren’t always a good choice for community tanks.
Some of the best species are the cherry barbs, the golden barbs, and the Odessa barbs, but if you have enough room, the tinfoil barb is great too!
5. Bichirs
Fish Family: Polypteridae
Fish Type: Bottom dweller/ centerpiece fish
Temperament: Semi-aggressive
Care Level: Intermediate
Size Range: up to 20 inches
Special Features: Dinosaur-like appearance and large size
Bichirs are strange, prehistoric-looking tropical fish from Africa. There are several species, although the Senegal bichir is the most popular in the aquarium trade. They will eat any small fish that they can swallow, so keep them with other larger tank mates.
Bichirs can grow huge, and live for over 40 years with good care. Keeping them healthy in the long term is going to require a huge aquarium and serious commitment. Still, these fish are definitely worth considering if you want a truly unique tropical fish pet!
6. Cory Catfish
Fish Family: Callichthyidae
Fish Type: Bottom dwellers
Temperament: Peaceful
Care Level: Easy
Size Range: 1 – 4 inches
Special Features: Peaceful community fish with fun schooling behavior
Originally from the tropical waters of South America, the corydoras catfish is now a popular freshwater aquarium fish all over the world. These fish are incredibly peaceful, so they get along great with pretty much every other tropical fish that is not big enough to eat them!
There are loads of different species, including the tiny pygmy cory and the elegant emerald cory catfish, and all are social schooling fish. That means you’ll need a group of at least 6 of these calm fish to see them at their best.
7. Danios
Fish Family: Cyprinidae
Fish Type: Schooling fish
Temperament: Peaceful
Care Level: Easy
Size Range: 0.8 – 6 inches
Special Features: Peaceful, hardy, and energetic fish for community tanks
Danios are energetic shoaling fish from the same family as barbs and goldfish. There are many species, ranging from the delicate celestial pearl danio to the high-speed zebrafish.
Most danios are tiny fish, but they can be very active and often need plenty of swimming space.
8. Discus
Fish Family: Cichlidae
Fish Type: Centerpiece fish
Temperament: Peaceful
Care Level: Moderate
Size Range: 4 – 8 inches
Special Features: Unique disk shape, various breeds with amazing colors
Few fish have the amazing variety of colors and patterns of the discus fish. These peaceful cichlids are also known as the kings of all freshwater fish in the freshwater hobby. These shy fish need special care, are delicate, and are not recommended for beginners.
9. Dwarf Cichlids
Fish Family: Cichlidae
Fish Type: Bottom dwellers, centerpiece fish
Temperament: Peaceful to semi-aggressive
Care Level: Easy to intermediate
Size Range: 2 – 4 inches
Special Features: Smaller and more peaceful than larger African and New World cichlids
The dwarf cichlids have a number of benefits over their larger cousins. These small fish can be kept in just 30 gallons, and they tend to be more peaceful, while still having great looks and interesting behaviors.
There are many great species of dwarf cichlids in the hobby, but cockatoo cichlids (Apistogramma), rams (Mikrogeophagus), and kribs (Pelvicachromis) are the big names in this group.
10. Freshwater Angelfish
Fish Family: Cichlidae
Fish Type: Centerpiece fish
Temperament: Generally peaceful
Care Level: Easy
Size Range: 6 inches long & 8 inches tall
Special Features: Round, flattened body with huge triangular fins.
The freshwater angelfish is another peaceful South American cichlid that comes in a variety of breeds. The great thing about these large fish is that they thrive in community aquariums and can even live safely with smaller schooling fish like tetras and rainbow fish.
11. Freshwater Catfish
Fish Family: Siluriformes
Fish Type: Bottom dwellers
Temperament: Peaceful to semi-aggressive
Care Level: Easy to advanced
Size Range: 3 inches to 3 feet
Special Features: Long cat-like whiskers
Freshwater catfish are another diverse group of fascinating, and often very large tropical fish. These interesting bottom dwellers rarely have bright colors, but many species have awesome markings and patterns.
Popular aquarium species include the shoaling transparent glass catfish of Asia, the Synodontis catfish of Africa, which includes the strange upside-down catfish, and the spotted pictus catfish of South America.
Catfish are generally peaceful fish, although species with large mouths will eat other fish. Some catfish grow really huge, so always do your research before you leave the shop with a baby catfish!
Gobies are one of the most diverse groups of fish on the planet, and yet there are few species available in the freshwater aquarium trade.
Fortunately, these interesting fish are becoming more popular, and today you can find everything from small, brightly colored algae eaters to large, dangerous-looking creatures like the dragon goby.
Many of the popular freshwater aquarium gobies will do best in brackish conditions, so make sure the species you choose will be happy in your tank.
13. Freshwater Eels
Fish Family: Mastacembelidae etc.
Fish Type: Bottom dwellers
Temperament: Peaceful
Care Level: Intermediate
Size Range: 8 – 40 inches
Special Features: Snake-like body and interesting markings
There are a few groups of freshwater eels in the aquarium, and many of them are not true eels at all! The most popular types are from a fascinating group of snake-like fish that include the tire-track, fire, and spiny eels.
These odd-ball fish come from Africa and Asia, and they make a fascinating centerpiece or bottom dweller fish in many tropical aquarium types.
14. Freshwater Sharks
Fish Family: Cyprinidae
Fish Type: Bottom dwellers
Temperament: Peaceful/semi-aggressive
Care Level: Moderate to advanced
Size Range: 5 – 14 inches
Special Features: Dramatic shark-like fins and body shape
Freshwater sharks are a group of popular tropical fish that don’t exactly live up to their more iconic saltwater fish namesake. While they may have a shark-like body shape, these fish do not have the sharp teeth or leathery skin of true sharks.
The most popular freshwater sharks are rainbow sharks, bala sharks, and red-tail sharks. Some of these fish have naturally bold colors, but check out the Glofish Sharks if you want a fish that really shines!
15. Freshwater Stingrays
Fish Family: Potamotrygonidae
Fish Type: Bottom dweller
Temperament: Peaceful but potentially dangerous
Care Level: Advanced
Size Range: 30 – 36 inches
Special Features: Strange body shape and interactive personality
You might be shocked to learn that freshwater stingrays exist, and even more shocked to discover they make great pets!
However, these unusual fish are not going to fit in your standard aquarium. They are some of the most expensive aquarium fish, and their care requires high experience levels.
Stingrays require a huge floor space, but they don’t need much depth. These flat fish can be kept in indoor ponds where they become very tame and often take food from the hand. Of course, stingrays can sting, so keeping these creatures does come with some risks.
16. Freshwater Puffers
Fish Family: Tetraodontidae
Fish Type: Centerpiece fish
Temperament: Semi-aggressive to aggressive
Care Level: Intermediate to Advanced
Size Range: 1 – 30 inches
Special Features: Unusual looks and swimming style
Freshwater pufferfish are another unusual group of fish that you would expect to find on a saltwater fish list. In fact, there are many freshwater species, and these adorable creatures can make wonderful pets once you understand their needs and behavior.
Freshwater puffers need hard-shelled foods to keep their sharp teeth worn down, and most species are not safe for community tanks.
17. Gouramis
Fish Family: Osphronemidae
Fish Type: Centerpiece fish
Temperament: Peaceful to semi-aggressive
Care Level: Easy to intermediate
Size Range: 1.5 – 28 inches
Special Features: Beautiful colors and long feeler-like pelvic fins
Gourami fish range from the tiny sparkling gourami, perfect for nano aquariums, to the mighty giant gourami, a gentle monster that makes a wonderful pet if given the room it needs. Gouramis are part of the same family as betta fish, and they have the same interesting air-breathing abilities.
Gouramis are a great centerpiece fish for a tropical fish tank. The range of different colors, shapes, and sizes means there’s a gourami species for anyone!
Special Features: Hardy beginner fish that’s easy to breed
Guppies are colorful fish, and they have been bred into many different types with various patterns and fin shapes. These peaceful fish add color and movement to virtually every level of a freshwater tank, and their affordability and hardiness make the an ideal choice for first-time fish keepers.
Guppies are the most common of the livebearers, a group of fish that give birth to live young instead of laying eggs. This means they are super easy to breed, which can be a really fun hobby.
19. Hatchetfish
Fish Family: Gasteropelecidae
Fish Type: Schooling fish
Temperament: Peaceful
Care Level: Intermediate to advanced
Size Range: 1.75 – 3.5 inches
Special Features: Strange flattened body shape and surface-dwelling habits
The hatchetfish is an interesting tropical fish that spends its life up at the surface of the tank. These fish escape predators by jumping out of the water, which means they need a really secure lid to prevent them from escaping onto the floor of your fish room!
20. Killifish
Fish Family: Aplocheilidae, Valenciidae, Cyprinodontidae, Fundulidae, Profundulidae
Fish Type: Shoaling fish
Temperament: Peaceful to semi-aggressive
Care Level: Easy to moderate
Size Range: 1.5 – 5.5 inches
Special Features: surface-dwelling fish with amazing colors
Killifish are colorful nano fish that make fascinating pets and can thrive in tanks as small as 5 or 10 gallons. Like the hatchet fish, killis are generally surface-dwelling fish, and they can easily escape an open-top aquarium.
21. Loaches
Fish Family: Cobitoidea superfamily
Fish Type: Bottom dweller
Temperament: Peaceful
Care Level: Easy to moderate
Size Range: 1 – 12 inches
Special Features: whisker-like barbels and a variety of colors and patterns.
Loaches range from tiny eel-like fish to large colorful schooling species. They all have adorable and fascinating behaviors, and they can make great pets with heaps of personality. Most loaches are tropical fish, but some species like the dojo loach prefer their water a little cooler.
Loaches are generally peaceful creatures that search for food on the bottom of the tank. They are social fish too, so pick up a small group to keep them feeling comfortable in your aquarium.
22. Mollies
Fish Family: Poeciliidae
Fish Type: Shoaling fish, livebearer
Temperament: Peaceful
Care Level: Easy
Size Range: 3 – 7 inches
Special Features: Hardy fish with many color morphs and fin shapes
Mollies are excellent tropical fish for everyone from beginners to experienced fish keepers. These North and Central American livebearers are hardy fish that can live in fresh, brackish, and even saltwater aquariums!
Mollies get along well with other fish, making them ideal for community aquariums. There are three popular species in the aquarium trade, with a variety of popular breeds such as the stunning Sailfin, the elegant lyretail, and the strange balloon molly.
23. New World Cichlids
Fish Family: Cichlidae
Fish Type: Centerpiece fish
Temperament: Peaceful to aggressive
Care Level: Easy to advanced
Size Range: 2 – 12 inches
Special Features: Great colors and personality
The New World Cichlids are a diverse group of tropical fish from Texas through Central and South America. These fish include the shy and colorful dwarf cichlids, the fascinating earth-eaters (Geophagus), and popular large wet pets like Oscar fish, Midas Cichlids, and Jack Dempseys.
There are so many species with different shapes, colors, and personalities that it’s impossible to describe them all here. However, one thing we can say is that there’s a great New World Cichlid for any freshwater aquarium!
24. Platies
Fish Family: Poeciliidae
Fish Type: Shoaling fish, livebearers
Temperament: Peaceful
Care Level: Easy
Size Range: 2 – 3 inches
Special Features: Peaceful community species that is easy to breed
Platies are another wonderful live-bearing species from Mexico and Central America. At two to three inches, these fish are in between the size of the guppy and the molly, and they can be kept with both species in awesome livebearer community tanks.
There are two platy species available in the hobby, but these fish have been selectively bred to produce a huge variety of colorful and interesting breeds like the sunset, Mickey Mouse, and wagtail platies.
Special Features: Armored body and various intricate patterns
Plecostomus catfish, or just plecos for short, are a large group of South American Catfish that hang out on the bottom of lakes and rivers and graze on rocks and driftwood. Plecos are great algae eaters for large aquariums, and they will help to clean the glass and other surfaces of Your tank.
There are hundreds of different pleco species out there, ranging from small pleco species like the strange-looking bristlenose at just 4 inches to the impressive common pleco that can reach 20 inches!
26. Rainbowfish
Fish Family: Melanotaeniidae, Pseudomugilidae, etc.
Fish Type: Schooling fish
Temperament: Peaceful
Care Level: Easy
Size Range: 1.5 – 6 inches
Special Features: Bright colors and peaceful personality
Rainbowfish are a colorful group of tropical fish from Australia and Southeast Asia. They range in size from nano species like the spotted blue-eye rainbow at just 1.5 inches, to medium-sized fish like the popular boesemani rainbowfish.
These active fish thrive in community aquariums with great water quality and suitable tank mates. The larger species will need a tank in the 55-gallon class, but nano types can be kept in a well-planted tank of just 10 gallons or more.
27. Rasboras
Fish Family: Cyprinidae
Fish Type: Schooling fish
Temperament: Peaceful
Care Level: Easy
Size Range: 0.7 – 3 inches
Special Features: Beautiful fish for nano and community aquariums
Rasboras are a group of tropical fish that includes some of the smallest and most popular species in the hobby.
Many of these Asian species are ideal beginner fish, and the tiny Boraras species like the chili rasbora are one of the few schooling fish that can thrive in a 5-gallon aquarium.
28. Swordtails
Fish Family: Poeciliidae
Fish Type: Shoaling fish, livebearer
Temperament: Peaceful
Care Level: Easy
Size Range: 5 – 6 inches
Special Features: Bright colors and long, sword-like tail
Swordtails are one of the larger tropical livebearer species and a great community tankmate for a variety of other fish. They are active freshwater fish that add a flash of color and movement to any aquarium.
Swordtail fish come in various shades of orange, yellow, and pink, and they can have various tail shapes. These fish breed regularly in the home aquarium, so get ready to see loads of little ones if you keep males and females together.
Special Features: Excellent algae control for planted tanks
The plecostomus catfish aren’t the only algae-eating fish in the aquarium world. Many other tropical fish will happily graze on your aquarium glass, hardscape, and plants, and the best part is that they make fascinating pets in their own right!
Look out for Otocinclus catfish (the best choice for nano aquariums), farlowella catfish (strange, twig-like bottom-dwellers), Siamese algae eaters, and flying foxes if you’re looking for great clean-up crew species for your tank.
30. Tetras
Fish Family: Characidae
Fish Type: Schooling fish
Temperament: Peaceful
Care Level: Easy
Size Range: 0.75 – 3 inches
Special Features: Dazzling colors and amazing schooling behavior
Tetras are the perfect fish for peaceful communities and planted aquascapes. There are many wonderful species available in the hobby, ranging from the world-famous neon tetra to slightly larger fish like the Congo Tetra of tropical Africa.
Tetras are schooling or shoaling fish, and they need the company of their own species to swim confidently and show their best colors. Add a school of at least 8 of these fish to your tank and enjoy these rewarding fish!
Other Creatures
Fish are the first animals that come to mind when we think about aquariums, but did you know that all sorts of other strange and beautiful creatures can live in a fish tank? Let’s check them out!
Freshwater aquarium shrimp are a great addition to small tanks and aquascapes. Peaceful, full of personality, and colorful. Many varieties are available.
Special Features: Wide range of breeds in various colors
Freshwater shrimp have become super popular in the aquarium hobby, and it’s easy to see why! There are many different breeds and species available, and they come in just about any color you can think of.
Freshwater shrimp are very peaceful creatures, and they are fascinating to watch as they feed and explore. Unfortunately, most fish will pick on freshwater shrimp or even swallow them whole, so it’s best to keep them in their own tank or with vegetarian species like the otocinclus catfish.
2. Aquarium Snails
Family: Ampullariidae, Neritidae, etc.
Type: Bottom-dwellers
Temperament: Peaceful
Care Level: Easy
Size Range: 1 – 4 inches
Special Features: Excellent clean-up crew and algae control animals
Aquarium Snails are another excellent aquarium invertebrate for tropical aquariums. These slow-moving creatures do great work in our tanks by eating algae, cleaning up waste, and eating leftover fish food. However, some species tend to multiply really fast!
There are many aquarium snails that do not breed in our fish tanks, and these are usually the best choices. Choose the neatly patterned and colored nerite snails if you want a small, algae-busting machine, or the much larger mystery snail for a cool display animal.
3. Aquarium Crabs
Family: Ocypodidae etc.
Type: Bottom dwellers
Temperament: Peaceful to semi-aggressive
Care Level: Moderate
Size Range: 0.4 – 1 inches
Special Features: Fascinating and unusual aquarium inhabitants
Crabs are not very common in the freshwater aquarium world, although there are some great species available if you know where to look.
Special Features: Fully aquatic frog that can live in a small aquarium
African dwarf frogs are adorable little creatures that spend their whole lives in the water. However, they must swim to the surface to breathe air because they do not have gills like fish.
These social creatures should be kept in groups of two or more, preferably in a shallow aquarium. They are tropical creatures, so they need an aquarium heater and an aquarium filter to keep their water warm and clean.
5. Crayfish
Family: Cambaridae etc.
Type: Bottom dweller
Temperament: Aggressive
Care Level: Easy
Size Range: 1 – 6 inches
Special Features: Bright colors and unique body shape
Freshwater crayfish are probably the most colorful freshwater aquarium invertebrates in the hobby. These cool crustaceans have powerful claws, and they will use them on unsuspecting fish, so their tank mates need to be chosen with care!
6. Axolotls
Family: Ambystomatidae
Type: Centerpiece pet
Temperament: Semi-aggressive
Care Level: Easy
Size Range: 9 – 12 inches
Special Features: Strange spiky gills and a smiling face
We’ve saved the strangest tropical fish tank inhabitant for last. The Axolotl is also known as the Mexican walking fish, but this creature is not a fish at all!
Axolotls are fully aquatic salamanders that do great in fish tanks. These interesting animals are not truly tropical though, so give them their own tank with stable water temperatures of 60-64°F to keep them cool and comfortable.
FAQs
What fish are considered tropical fish?
Tropical fish are any species that come from a warm part of the world. There is no hard rule about the exact temperatures, but most species are comfortable in 74 to 80 degrees Fahrenheit.
These fish usually require an electric aquarium heater to keep their water temperature in the right range, unless you live in a tropical part of the world.
Are tropical fish hard to keep?
Tropical freshwater fish species are among the easiest type of fish to keep and the best option for beginners to the aquarium hobby. Of course, each fish species has its own care requirements, and some are much easier than others.
All species need a big enough tank, good aquarium filtration, and a balanced diet. Most of the popular small fish species will thrive on a simple flake food diet supplemented with live or frozen foods like brine shrimp.
What fish should I put in my tropical tank?
The great thing about tropical fish is the huge variety of species available. There are a couple of questions to ask yourself before choosing fish for your aquarium.
Is my aquarium big enough for this fish? Will this fish get along with my other fish? Can I provide the right care and food for this fish? Do I like the look and behavior of this species?
If you can answer yes to all of those questions, you might just have the perfect species for your tank!
What is the most popular tropical fish?
Guppies, bettas, and tetras are probably the most popular tropical fish species in the world. Of course, with so many amazing fish species available, most aquarists have their own lists of favorite fish!
What is the most hardy tropical fish?
Zebra danios and Livebearers like mollies and guppies are considered especially hardy tropical fish that are great for beginners. However, all fish species deserve the best water quality, care, and diet that you can provide.
Final Thoughts
Well, there you have it folks, 30 amazing tropical fish types, and 6 other fascinating aquatic creatures for your fish tank. We fishkeepers really are spoiled for choice when it comes to choosing our pets.
Oh, and remember, we have loads of in-depth articles on many of these species on our website, so get browsing for more information!
What’s your favorite tropical fish type? Let us know in the comments below!
📘 Want to learn more? This article is part of our complete Freshwater Fish Guide. your ultimate resource for freshwater species, care tips, tank setup, and more.
Yellow lab cichlids are the best mbuna for beginners, but beginner friendly does not mean easy. They still need hard, alkaline water, proper overstocking to manage aggression, and a rock structure that prevents line of sight between males. Skip any of those and you will see aggression, stress, and faded color. I have recommended yellow labs as a first African cichlid for over 20 years, but only to people willing to set up the tank correctly first. The on-ramp to the African cichlid addiction that hooks everyone.
The on-ramp to the African cichlid addiction that hooks everyone.
What Most Care Guides Get Wrong About Yellow Lab Cichlid
The number one mistake I see with yellow labs is people buying them thinking they’re a peaceful community fish because of their color and relatively calm reputation. They’re still mbuna. They’re still territorial. And in a tank that’s too small or under-stocked, they’ll bully other fish just like any other mbuna would. The “peaceful mbuna” label is relative. They’re peaceful compared to kenyi or auratus, not compared to tetras or corydoras. The other common issue is hybridization. Yellow labs readily crossbreed with other mbuna in mixed tanks, producing dull hybrid offspring that dilute the beautiful yellow coloring that made them popular in the first place.
That said, “easy to keep” only holds true if you’re running the right conditions. Hard, alkaline water, a low-protein diet to avoid Malawi bloat, and proper territory structure in the tank. Get those right and yellow labs are an absolute pleasure to keep. Here’s everything you need to know.
The Reality of Keeping Yellow Lab Cichlid
Yellow Labs are the most recommended beginner mbuna for good reason. But even the easiest African cichlid comes with requirements you cannot skip.
They need hard, alkaline water. Lake Malawi chemistry means pH between 7.8 and 8.6, high GH, and high KH. If your tap water is soft and acidic, you need to buffer it. Every water change. No exceptions.
They are herbivores. Yellow Labs need a spirulina-based diet. Feeding them high-protein foods like bloodworms regularly leads to Malawi Bloat, which is often fatal. Stick to spirulina flakes and algae-based pellets.
Males color up, females stay pale. Only male Yellow Labs develop that intense electric yellow color. Females are duller and more subdued. If you want a tank full of bright yellow fish, you need males, but too many males means fighting.
Overstocking is part of the strategy. With mbuna, you overstock to spread aggression. A tank with three Yellow Labs will have one bully and two victims. A tank with 12 will have distributed aggression and happier fish. But overstocking demands heavy filtration.
Biggest Mistake New Yellow Lab Cichlid Owners Make
Feeding them protein-heavy foods. Yellow Labs are herbivores, and Malawi Bloat from improper diet kills more labs than anything else. Spirulina flakes and veggie pellets. That is the foundation. No bloodworms as a staple.
Expert Take
Start with a group of 8 to 12 in a 55 gallon tank. Use crushed coral or aragonite substrate to buffer pH naturally. Feed spirulina-based food exclusively. This simple setup will give you one of the most vibrant, active tanks in the hobby.
Key Takeaways
The Yellow lab cichlid is a mouthbrooder. Meaning the female carries fertilized eggs and fry in her mouth until they are big enough to survive on their own.
They are carnivores in the wild and feed on small invertebrates and algae. However, in captivity, they are omnivores and eat a varied diet.
They have been selectively bred resulting in a range of different colors and patterns
The male yellow lab cichlid is larger in size and more colorful than its female counterparts.
Species Overview
Scientific Name
Labidochromis caeruleus
Common Names
Yellow Lab, Electric yellow cichlid, lemon drop cichlid
Family
Cichlidae
Origin
East African Central Western coastal region of Lake Malawi
Diet
Omnivore
Care Level
Moderate
Activity
Medium
Lifespan
8 to 10 years
Temperament
Semi-Aggressive
Tank Level
Bottom
Minimum Tank Size
30 gallons
Temperature Range
76 – 82°F
Water Hardness
10-20 dGH
pH Range
7.8 to 8.6
Filtration/Water Flow
Moderate to high
Water Type
Freshwater
Breeding
Egg Layer/Mouthbrooder
Difficulty to Breed
Easy
Compatibility
Limited, African Cichlid only
OK, for Planted Tanks?
With Caution
Classification
Kingdom
Animalia
Phylum
Chordata
Class
Actinopterygii
Order
Cichliformes
Family
Cichlidae
Genus
Labidochromis
Species
L. Caeruleus (Fryer, 1956)
Brief Introduction
Yellow lab cichlids, commonly known as Electric yellow cichlids and yellow labs are popular freshwater fish that originates from Lake Malawi in East Africa.
They are known for their super bright yellow coloration and smaller fish size that is easy to maintain and a treat to watch in your home aquariums. Yellow lab cichlids are beginner friendly fish with unique breeding behavior where the male fish establishes and defends its territories and females lay their eggs on flat surfaces.
Overall, yellow lab cichlids are an excellent and beautiful addition to your home aquariums that add opulence and life wherever they go.
Origin & Habitat
The electric yellow cichlids are found in the rocky banks and heavily vegetated regions of Lake Malawi. Originally, the yellow lab cichlid is from the Nkata Bay of Lake Malawi, which is the home of other African Cichlids. In their natural habitat, these fish mostly dwell in the rocks and reaches a length of around 8 inches.
By the end of 1986, the yellow African cichlid was available to buy for aquarium hobbyists. Shortly after, they became popular freshwater fish known for their aesthetic appearance and peaceful nature (for an African Cichlid).
The name, Labidochromis Caeruleus, was given to a blue fish because it was discovered blue in color. However, the yellow color morph was later found along the North East coast of African lakes, now known as electric yellow cichlids1.
Map by MellonDor, CC BY-SA 4.0, via Wikimedia Commons
Appearance
The Yellow Lab Cichlid’s body is a bright yellow in color, giving them a stunning look. They have an extended, thin body structure, a head that is somewhat pointed, and a prominent forehead. They have longer fins as well, with the dorsal fin reaching all the way back to the tail. Males often outweigh females in size and color, with brighter yellow coloring and longer fins. Females often have a paler color and are smaller.
The young Yellow lab cichlids may have somewhat different patterns from those of adults, but they fade as they get older. Furthermore, some breeders have deliberately bred these fish in an effort to improve particular characteristics, including fin form or color, leading to a variety of various strains and varieties. The Yellow Lab Cichlid is a stunning fish that can give a splash of color to any aquarium
Average Adult Size
The yellow lab cichlids are small fish that grow around a maximum of 5 inches in length for males. The female electric yellow cichlid grows around 3 to 4 inches. However, in some rare cases, they may grow around 6 inches and over, depending on their diet, water quality, and tank size.
Lifespan
The life expectancy of yellow lab cichlids is around 8 to 10 years in captivity. But, they may live for up to 12 years, provided with proper care, a healthy diet, and water conditions.
Food & Diet
Yellow lab cichlids are carnivorous fish in the wild. However, in captivity, they are omnivores. Therefore, their diet should mainly be protein based. High quality fish flakes and fish pellets that are formulated for African cichlids are highly recommended. You can also feed them premium quality frozen foods such as brine shrimp, bloodworms, and krill as occasional treats.
Ron is an African Cichlid breeder with over 25 years in experience who created a line of food that is well balanced. A great option when you can’t use frozen foods.
Additionally, it’s important to add plant-based treats to your yellow lab cichlid’s diet, including zucchini, shelled peas, spinach, and lettuce. This food provides necessary nutritional benefits and helps them in consuming a varied diet.
How Often Do You Feed Yellow Lab Cichlids and How Much?
Avoid overfeeding your yellow lab cichlid and maintain a proper schedule to feed yellow lab cichlids as they overeat and become overweight, leading to health issues. It’s recommended to feed them a small amount of food only twice or thrice a day.
Anything they can consume within two to three minutes is a general rule of thumb to feed yellow lab cichlids.
Temperament and Behavior
Overall the yellow labs are a species of peaceful and shy cichlid, but during the breeding process, they will become aggressive and territorial. It’s recommended to keep a group of 6 or more fish to alleviate their aggression toward other fish.
Yellow lab cichlids are also active swimmers and appreciate lots of hiding places and open spaces in their fish tanks. Since they are known for their digging behavior, it’s important to supply their tank with plenty of decorations and high-quality substrate.
Yellow Lab Cichlid Tank Mates
Yellow lab cichlids are mildly peaceful fish that are compatible with other like-minded fish species. Therefore, it’s crucial to choose suitable tank mates for yellow lab cichlids.
Some of the best-suited tank mates for electric yellow cichlids are:
Other African cichlids species, including yellow tail Acei cichlids, Peacock cichlids, Red Zebra cichlids, Johanni cichlids, blue dolphin cichlids
Yellow lab cichlids are colorful fish that are easy to care for. Despite being low maintenance, they demand basic tank and water requirements to thrive in captivity.
They are also omnivores in captivity, so a varied diet is essential, along with color-enhancing commercial foods to maintain their vibrant colors.
Like all other cichlids, they require regular maintenance and upkeep with stable water parameters to remain happy and healthy. Let’s dive it Yellow Lab Cichlid Care below.
Tank Requirements
Here are the basic tank requirements to provide a suitable and comfortable environment for your yellow lab cichlid.
Tank Size
Since yellow lab cichlids are community fish that thrive with their other cichlids and compatible fish of different species, a tank size of at least 30 gallons is the bare minimum. However, long term this will cause problems with territorial aggression.
If you want to have a group of around 8 to 12 cichlids, a larger tank or around 55 gallons is a good size.
Yellow lab cichlids are active fish and are known to be aggressive toward live plants. Therefore, live plants are not the best choice for your electric yellow cichlids.
However, if you still want to keep live plants for the sake of their beautiful aesthetics, there are some options that are “cichlid-proof”. These include:
The yellow lab cichlid prefers a tank with caves and enough hiding spots. You can pile rocks into the bottom of the tank, especially when your fish are spawning. That’s because yellow lab cichlids are native to Lake Malawi where there are lots of rocks to build their territories. However, make sure the rocks are not pointed enough to hurt your finned pets.
Other recommended tank decorations are:
Limestone rocks (get for maintaining pH and hardness)
Yellow lab cichlids stay at the bottom of the tank, so the choice of premium substrate is crucial.
You can use sand as the best option because Lake Malawi’s bottom is covered in sand. Therefore, using sand will replicate their natural habitat and keep them happy.
Additionally, crushed coral helps maintain the pH levels in your tank by releasing Calcium carbonate into the water. Thus, it’s also a great option for the substrate. Fine gravel can also be used as a substrate.
If you want to keep your tank bare bottom for easy maintenance and cleaning, you can do that too. However, it will be unnatural and uncomfortable for your Yellow labs.
Is the Yellow Lab Cichlid Right for You?
Before you commit to this species, here’s an honest assessment of whether it fits your setup and experience level.
The best beginner mbuna, hands down. If you want to try African cichlids and start with Malawi mbuna, this is the species to begin with.
Brilliant electric yellow color. Few freshwater fish offer this intensity of yellow. They genuinely pop in any setup.
Still need a proper mbuna setup. Minimum 55 gallons with lots of rock work, alkaline water, and appropriate stocking levels.
Best kept with other mild-mannered mbuna or peacocks. Avoid mixing with highly aggressive mbuna species that will outcompete them.
Not suitable for standard community tanks. Despite being calm for mbuna, they’re still too territorial for most tropical community setups.
Easy to breed but hard to keep pure. They’ll hybridize with other mbuna, so keep species separated if you want to maintain pure lines.
Tank Maintenance
Though Yellow Labs fish are hardy and require little maintenance but regular tank cleaning and maintenance are required to keep them healthy for a long.
Filtration and Aeration
Proper filtration is an important step to maintaining a healthy ecosystem for your Yellow lab cichlid.
I recommend installing a filter that is suitable for your tank size and the number of fish you have. Any filter with a turnover rate of around 4 to 6 times the tank volume per hour is ideal for Yellow lab cichlids. You can choose a canister filter, HOB, or sponge filter. However, it’s crucial to clean and replace the filter media regularly.
I also advise putting an air pump or wavemaker in the tank as these species love a well-oxygenated environment. Essentially, you can use sponge filters as they provide filtration and aeration both.
Water Parameters
The ideal water parameters for yellow lab cichlids are as follows:
Water temperature: Between 76-82°F
pH range: 7.8 to 8.6
Water hardness: 10-20 dGH
Tank Maintenance
Tank maintenance is the key to a healthy aquarium. It’s crucial to maintain water temperature. Therefore, I recommend investing in an aquarium thermometer and quality heater to monitor the temperature.
You should perform weekly 25% to 30% water changes to prevent the buildup of fish waste or toxins. In addition to water changes, cleaning the filter and gravel is also important to remove uneaten food and debris.
Breeding
Fun Fact: Yellow lab cichlids are mouth breeders, meaning they keep their young in their mouths until they are ready to hatch.
To reduce the tension in females, I recommend keeping 1 male for every 3 to 6 females. Even though the yellow labs are passive for a cichlid, they will become territorial during breeding.
Here’s how you breed them in a separate tank.
Separate the mature females and one male in a breeding tank.
Fill in the tank with cold water to drop the temperature and stimulate mating.
Feed them protein rich, high quality food free of hormones or unnatural color enhancers
After spawning, when the fry hatch and are free swimming, separate the mother into another tank.
Feed the fry high quality protein rich food to promote healthy growth.
Fish Diseases
Unlike many African cichlids, the electric yellow cichlid is very hardy and less susceptible to Malawi bloat. However, if the water temperature and water conditions are not in pristine conditions, they may be infected with Ich, skin flukes, and other parasitic infections, fungal infections, and bacterial infections.
Therefore, it is necessary to maintain water conditions as per the fish’s preferences and feed them high-quality diet to avoid those diseases.
FAQs
Are Yellow Labs Cichlids Aggressive?
No, Yellow Lab Cichlids are not overly aggressive fish. However, they becomes territorial and semi-aggressive in a small tank with 2 or more males.
Are Yellow Lab Cichlids good for beginners?
Yes, they are ideal for beginners because they are hardy, beautiful, and tolerate a wide range of water conditions. Also, they are peaceful fish as long as you provide them with the right environment and suitable tank mates.
How Much Do Yellow Lab Cichlids Cost?
The total cost of Yellow lab cichlid depends on a variety of factors, including size, age, quality, etc. On average, young fish may cost you around $5 to $10 per fish. However, adult breeding pairs will cost between $20 to $30.
How Big Do Yellow Lab Cichlids Get?
They are small-to-medium-sized fish that grow approximately 4 to 5 inches in length. The male Yellow Lab Cichlids are slightly larger and more colorful than the females.
How long do they live?
The average lifespan of yellow lab cichlids is 8 to 10 years in captivity.
What It Is Actually Like Living With Yellow Lab Cichlid
This is the part no other care guide gives you. Forget water parameters for a minute. Here is what it is actually like to share your tank with this species.
They are always moving. Yellow Labs are active, curious fish that patrol every inch of the tank. They pick at rocks, sift through substrate, and interact with each other constantly. A mbuna tank is never boring.
The yellow really pops. Under the right lighting, a dominant male Yellow Lab is one of the most intensely colored freshwater fish you will ever see. That electric yellow against a dark rock background is stunning.
They breed like rabbits. Yellow Labs are maternal mouthbrooders that breed readily in captivity. If you have males and females, you will have babies. Lots of babies. Have a plan for the fry.
They establish a hierarchy fast. Within days of adding Yellow Labs to a tank, a dominant male emerges. He gets the best territory, the most color, and first dibs on food. Subordinate males stay paler and stick to the edges.
How the Yellow Lab Cichlid Compares to Similar Species
The most relevant comparison is with peacock cichlids. Both are Lake Malawi natives, but they occupy different niches. Yellow labs are rock-dwelling mbuna that need lots of stone structure and are herbivorous. Peacocks are open-water swimmers that prefer sandy substrates and eat more protein. Yellow labs are more aggressive pound-for-pound, but their smaller size (4-5 inches vs. 6-7 for peacocks) means they’re less physically imposing. For beginners, yellow labs are easier to find and cheaper, but peacocks offer more color variety. They is mixed in larger tanks (75+ gallons), but you need to make sure the yellow labs don’t harass the more docile peacocks.
The kribensis cichlid is worth considering if you want a colorful, smaller cichlid but aren’t committed to a full Malawi setup. Kribs are West African, tolerate a wider range of water parameters, and work in more traditional community tanks. They’re not as intensely colored as yellow labs but they’re far more versatile in terms of tank setup options.
Final Thoughts
The Yellow lab cichlid is a beautiful freshwater fish that stays happily in a community tank of like-minded fish species. Despite being beautiful, hardy, and low maintenance, they are beginner friendly. Hence, if you’re new to the aquarium hobby, congratulations on finding your perfect bright finned pal!
African cichlids are some of the most visually stunning fish in freshwater. I’ve always said they’re the closest thing to a saltwater display you can get without the saltwater complexity. I’ve set up Malawi and Tanganyika tanks over the years and both have their own distinct character. This guide covers the species I find most interesting and most manageable.
African cichlids are some of the most colorful freshwater fish on the planet. and I’ve been keeping them for decades across everything from Lake Malawi mbuna setups to Lake Tanganyika shellies. The diversity is staggering: over 1,600 species, wildly different temperaments, and care requirements that vary significantly by species. This guide covers 21 of the best choices I’d actually recommend, with honest notes on what makes each one work (or not) in a home aquarium.
Key Takeaways
African cichlids are some of the most colorful, active, and exotic freshwater fish. They look a lot like tropical reef fish at first glance.
Most species come from the hard alkaline waters of Lake Victoria, Tanganyika, and Malawi.
Many African cichlids are highly territorial and aggressive, so choose tank mates carefully.
Other African cichlids make the best tank mates, but not all species are compatible.
Pay close attention to your cichlid’s diet. Many species need a mostly vegetarian diet, and high-protein fish food can cause health problems.
Major Groups
African cichlids are a diverse group of freshwater fish found all over the African continent. They range in size from the diminutive 2-inch shell-dwellers to the emperor cichlid that reaches 3 feet!
Most of the popular African cichlids in the aquarium hobby come from Lake Malawi, although there are many famous species from Lake Tanganyika and Lake Victoria too.
African cichlids are usually grouped into a few main categories. Let’s take a look at the most popular groups:
Mbunas
The mbuna cichlids are some of the most popular African Cichlids in the hobby. These small to medium-sized fish are hardy, colorful, and active. However, mbuna cichlids have a dark side too.
These fish are highly territorial and can be very aggressive toward other fish. The males are the most aggressive, and they tend to attack other males of their own species or other similar-looking fish.
Ideally, you should keep them in a species-only setup with one male and a few females, or in a heavily stocked mixed mbuna tank that does not allow enough space for individual territories.
Mbuna’s come from Lake Malawi and are mostly herbivorous. They will eat some meaty fish food, but too much is very bad for their health.
Peacocks
Peacock Cichlids are awesome African cichlids from the Aulonocara genus. The males are some of the most colorful freshwater fish on the planet, although females tend to be drab and mostly brown or gray.
These fish come from Lake Malawi, just like the Mbunas, but that doesn’t mean the two groups make ideal tank mates.
Peacock cichlids are mostly carnivorous, and they are less aggressive than Mbunas. The differences in diet and the likelihood of fighting make it better to ‘pick a side’ in most cases.
Peacock cichlids are pretty easy to breed, but you should take care to avoid cross-breeding them with similar species. The females look very similar, so keep just one species in your tank to avoid confusion.
Haps
Haps are a diverse group of generally larger carnivorous African cichlids. They are fairly peaceful fish, but many of them of piscivorous which means they will eat any tank mates small enough to swallow.
Haps need a large tank with plenty of swimming space to really thrive. Many species will require over a hundred gallons, but there are options for a 75-gallon tank.
Tropheus
These popular Lake Tanganyika cichlids are similar in behavior to the mbunas of Lake Malawi. There are about 8 species and they prefer to live in rocky areas, especially with plenty of caves and other hiding spots.
These African cichlids make fascinating pets in the home aquarium but are highly aggressive and territorial. Tropheus are mostly vegetarian and require a daily supply of spirulina flakes and the occasional supplement of meaty foods like mysis and brine shrimp.
Shell Dwellers
African cichlids tend to be medium to large freshwater fish, and most species need a medium to large fish tank. Fortunately, there is a group of dwarf cichlid species that can live in tanks as small as 10 gallons!
The shell-dwellers are a fascinating group of African cichlids from Lake Tanganyika that live and breed in the empty shells of aquatic snails. These tiny fish vary from just 1.5 to 2.5 inches and can be kept in small colonies in nano aquariums.
Western Species
Most of the popular African cichlids hail from the great African Lakes in the east, although there are a few options from West and Central Africa. Popular West African cichlids include the African butterfly cichlid, the jewel cichlid, and the popular kribensis cichlid.
Top 21 Types of African Cichlids
Are you ready to meet 21 amazing African Cichlid species? Check out the following important facts for each species before choosing your next fish:
Scientific Name
Size
Minimum Tank Size
Lake Type
Cichlid Type
Color Form
Water Temperature
pH
Hardness requirements
Diet
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1. Yellow Lab
Scientific Name: Labidochromis caeruleus
Size: 4 inches
Minimum Tank Size: 40 gallons
Lake Type: Lake Malawi
Cichlid Type: Mbuna
Color Form: Yellow
Water Temperature: 75 – 82°F
pH: 7.7 – 8.6
Hardness requirements: 10 – 15 dKH
Diet: Mostly vegetarian
The yellow lab cichlid is one of the most popular and recognizable African cichlids in the hobby. These small mbunas from Lake Malawi are bright yellow with a black eye and a black stripe along their dorsal fin.
Yellow lab cichlids can be kept in a colorful mixed mbuna community with other Lake Malawi cichlids or you can give them their own tank and start a breeding project.
2. Malawi Trout
Scientific Name: Champsochromis caeruleus
Size: 13 inches
Minimum Tank Size: 150 gallons
Lake Type: Lake Malawi
Cichlid Type: Large predator hap
Color Form: Mostly blue
Water Temperature: 75 – 80°F
pH: 7.5 – 8.5
Hardness requirements: 10 – 15 dKH
Diet: Meaty foods like prawns and mussels, supplemented with dried foods
The Malawi trout (video source) is a lean, mean predatory cichlid species and a real showstopper in a large African cichlid tank. These fish stand out with long, flowing dorsal and anal fins and a strong triangular tail for speed.
This is an active swimming cichlid that needs plenty of space. These fish are not particularly aggressive toward similar-sized species, but they will eat anything small enough to fit in that large mouth.
Diet: Omnivore, prefers live and frozen foods like brine shrimp and bloodworm
Fossorochomis rostratus (video source)is a large African cichlid with some interesting behaviors. The males are more colorful and have beautiful metallic blue coloration mixed with various shades of purple, green, and yellow. Younger fish have prominent dark blotches along their sides, and mature males develop black bellies.
This peaceful cichlid has the fascinating habit of diving into the sand to look for food or escape predators. They should not be kept with aggressive and territorial species, and a small group of one male and a few females is ideal.
4. Lemon Jack Peacock
Scientific Name: Aulonocara jacobfreibergi
Size: 6 inches
Minimum Tank Size: 55 gallons
Lake Type: Lake Malawi
Cichlid Type: Rock-dwelling peacock
Color Form: Blue and yellow
Water Temperature: 77 – 84°F
pH: 7.5 – 9
Hardness requirements: 10 – 15dKH
Diet: Omnivorous, provide spirulina, fine dried foods, and live/frozen foods.
The Lemon Jake peacock (video source) is a stunning blue and yellow variety of the popular Aulonocara jacobfreibergi cichlid from Lake Malawi. This form occurs naturally around the Undu Reef on the Tanzanian coast.
These fish are often aggressive toward other species with similar colors, and males will fight with each other. Keep a group of one male and a few females to see them on their best behavior.
5. Johanni
Scientific Name: Melanochromis johanni
Size: 4 inches
Minimum Tank Size: 40 gallons
Lake Type: Malawi
Cichlid Type: Mbuna
Color Form: Yellow/orange (female) electric blue and black (adult)
Water Temperature: 73 – 81°F
pH: 7.6 – 8.8
Hardness requirements: 10 – 15 dKH
Diet: Spirulina and greens with some live/frozen foods
The Johanni cichlid is a beautiful but aggressive species that does great in busy mbuna cichlid tanks. These fish can be kept in a relatively small tank, although a larger aquarium is recommended for a great mixed mbuna community tank.
The sexes are easy to distinguish by colors, with bright blue males and yellow females. Like most other Mbunas, it’s best to keep one male with a small group of females to prevent aggression.
6. Frontosa
Scientific Name: Cyphotilapia frontosa
Size: 10 – 14 inches
Minimum Tank Size: 125 gallons
Lake Type: Lake Tanganyika
Cichlid Type: Large rock-dwelling cichlid
Color Form: Black, blue, and white
Water Temperature: 73 – 80°F
pH: 8 – 9
Hardness requirements: 10 – 20 dKH
Diet: Omnivore. Provide spirulina, greens, frozen foods, and quality pellets
Frontosa cichlids are large and distinctive aquarium fish with bold black bars on a blue/white body. Males develop a large nuchal bump on their foreheads, which is why these fish are also known as humphead cichlids.
Frontosa cichlids inhabit rocky areas in the deep waters of Lake Tanganyika, sometimes over 200 feet below the surface. They are generally peaceful but require a very large aquarium to mimic their natural environment.
7. Buccochromis rhoadesii
Scientific Name: Buccochromis rhoadesii
Size: 16 inches
Minimum Tank Size: 100 gallons
Lake Type: Lake Malawi
Cichlid Type: Large Hap
Color Form: Blue and yellow
Water Temperature: 74 – 82°F
pH: 7.5 – 8.4
Hardness requirements: 10 – 20 dKH
Diet: Carnivorous, feed meaty foods
Buccochromis rhoadesii (video source) is a large predatory cichlid that hunts by chasing down smaller fish. These colorful fish are also known as the yellow lepturus cichlid. This is an active species that requires a large aquarium to thrive, although they can be kept with a number of other large haps.
8. Ngara Flametail
Scientific Name: Aulonocara stuartgranti
Size: 5 inches
Minimum Tank Size: 55 gallons
Lake Type: Lake Malawi
Cichlid Type: Peacock cichlids
Color Form: Blue and orange
Water Temperature: 73 – 84 °F
pH: 7.5 – 9
Hardness requirements: 10 – 15 dKH
Diet: Omnivorous but requires a meaty diet
The Ngara flametail is one of the most beautiful African cichlids in the hobby. They are a smaller form of the well-known Grant’s Peacock cichlid from Lake Malawi.
Ngara flametails are a good choice for beginners because they are fairly peaceful, hardy, and they can even be kept with some live plants. However, males may attack similar-colored fish, so keep this in mind when selecting tank mates.
9. Malawi Hawk
Scientific Name: Aristochromis christyi
Size: 10 – 12 inches
Minimum Tank Size: 150 gallons
Lake Type: Malawi
Cichlid Type: Large predatory hap
Color Form: Blue and orange
Water Temperature: 74 – 82°F
pH: 7.5 – 9
Hardness requirements: 10 – 15 dKH
Diet: Meaty foods like prawns and mussels, supplemented with quality pellets.
The Malawi hawk (video source) is a large and colorful hap species that hunts and eats smaller cichlids in the wild. It gets its name from its beak-like mouth which allows it to swallow fish up to four inches long!
The Malawi Hawk might be dangerous to smaller fish, but they are surprisingly peaceful with large tank mates. They can be kept with other large Lake Malawi species like the Malawi trout and Fossorochomisrostratus.
10. Maulana Bicolor Peacock
Scientific Name: Aulonocara stuartgranti
Size: 6 inches
Minimum Tank Size: 55 gallons
Lake Type: Lake Malawi
Cichlid Type: Peacock cichlid
Color Form: Blue and yellow
Water Temperature: 74 – 82°F
pH: 7.5 – 8.4
Hardness requirements: 10 – 15 dKH
Diet: Omnivorous but requires a meaty diet
The Maulana bicolor peacock cichlid is another great variety of Grant’s peacock, a widespread cichlid in Lake Malawi. This form comes from the Chitimba Bay area on the northwest coast.
Male Maulana bicolor peacocks are electric blue with a characteristic yellow/orange stripe just behind the head. The smaller females have dull brown colors and are difficult to distinguish from other female peacocks.
11. OB Peacock
Scientific Name: Hybrid
Size: 6 inches
Minimum Tank Size: 55 gallons
Lake Type: Captive bred
Cichlid Type: Peacock
Color Form: ‘Orange blotch’
Water Temperature: 74 – 82°F
pH: 7.5 – 8.4
Hardness requirements: 10 – 15 dKH
Diet: Omnivorous but requires a meaty diet
OB peacock cichlids (video source) are gorgeous hybrid fish developed by crossing different species. The original species combination is unknown, but many aquarists believe it involved a male peacock and a female mbuna.
OB stands for orange blotch, which is a pretty good description of their colors! However, these fish are available in many other color patterns, including shades of blue, pink, and yellow. You won’t find them in nature, and each specimen is truly unique when it comes to its colors and patterns.
12. Eureka Red Peacock
Scientific Name: Aulonocara jacobfreibergi
Size: 6 inches
Minimum Tank Size: 55 gallons
Lake Type: Lake Malawi
Cichlid Type: Rock-dwelling peacock
Color Form: Blue and Orange
Water Temperature: 77 – 84°F
pH: 7.5 – 9
Hardness requirements: 10 – 15 dKH
Diet: Omnivorous, provide spirulina, fine dried foods, and live/frozen foods.
The Eureka red cichlid is another great variety of the popular Aulonocara jacobfreibergi peacock from Lake Malawi. The males are predominantly orange with varying amounts of dark blue, creating a very eye-catching centerpiece fish.
13. Sulphurhead Peacock
Scientific Name: Aulonocara maylandi
Size: 4 – 6 inches
Minimum Tank Size: 40 gallons
Lake Type: Lake Malawi
Cichlid Type: Peacock
Color Form: Black, blue, and yellow
Water Temperature: 74 – 82 °F
pH: 7.5 – 9
Hardness requirements: 10 – 20 dKH
Diet: Flakes, pellets, and frozen foods
The sulphurhead peacock cichlid is a striking species with a yellow blaze that runs from its nose to the start of the dorsal fin. This bright yellow streak continues along the top of the dorsal fin, and they often have a yellow lower edge of the anal fin too.
These beautiful African cichlids are very peaceful so they are not suited to cichlid communities with more boisterous species. However, they really shine in species-only cichlid aquariums.
14. Lwanda Peacock
Scientific Name: Aulonocara sp. ‘Lwanda’
Size: 6 inches
Minimum Tank Size: 75 gallons
Lake Type: Lake Malawi
Cichlid Type: Peacock
Color Form: Blue and orange
Water Temperature: 78 – 82°F
pH: 7.5 – 8.5
Hardness requirements: 10 – 15 dKH
Diet: Carnivorous, feed them quality flakes or pellets and live/frozen foods
The Lwanda peacock cichlid is a deep-bodied species with shapely fins. Males have an interesting mix of colors, combining blue and orange on the body and fins.
These territorial fish should be kept in a small group consisting of one male and a few females. They are fairly easy to breed but may hybridize with other Aulonocara species.
15. Dragon Blood Peacock
Scientific Name: Aulonocara sp. hybrid
Size: 6 inches
Minimum Tank Size: 55 gallons
Lake Type: Captive bred
Cichlid Type: Peacock
Color Form: Red/pink
Water Temperature: 78 – 82°F
pH: 7.8 – 8.6
Hardness requirements: 10 – 15 dKH
Diet: Carnivorous, provide quality flakes or pellets and live/frozen foods
The dragon blood peacock is another Aulonocara hybrid with unique colors and markings. These fish are also known as fire cichlids, and they are usually available in shades from pink to bright red. The head and fins are often a lighter color varying from white to light blue.
They are fairly aggressive peacocks but can be kept in a well-planned African cichlid community. Like other peacocks, the dragon blood will sift through the sand in search of food.
16. Cobalt Blue Zebra
Scientific Name: Maylandia callainos
Size: 5 inches
Minimum Tank Size: 40 gallons
Lake Type: Lake Malawi
Cichlid Type: Rock-dwelling mbuna
Color Form: Blue and black
Water Temperature: 75 – 82°F
pH: 7.6 – 8.8
Hardness requirements: 10 – 15 dKH
Diet: Omnivorous. Feed spirulina flakes and greens supplemented with live/frozen foods
Cobalt blue zebra cichlids have a striking blue color, often with a series of vertical black bars on their sides. They are good mbunas for beginner cichlid keepers, although they are aggressively territorial like most other fish in their family.
Fortunately, aggressive behavior can be limited by choosing the right tank mates and keeping just one male in the same tank. They will do best in a heavily stocked mbuna tank, and a group of one male and a few females is recommended.
17. Red Zebra
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Scientific Name: Pseudotropheus estherae
Size: 5 inches
Minimum Tank Size: 40 gallons
Lake Type: Lake Malawi
Cichlid Type: Mbuna
Color Form: Orange
Water Temperature: 75 – 82°F
pH: 7.8 – 8.8
Hardness requirements: 10 – 15 dKH
Diet: Omnivorous. Provide greens, spirulina flakes, and live/frozen foods.
The red zebra cichlid is another great mbuna from Lake Malawi. These fish are one of the most popular African cichlids because both males and females have a great orange color. Like other Mbunas, these fish are naturally territorial and aggressive.
18. Saulosi
The Saulosi cichlid (video source) is known as a dwarf mbuna because they usually grow to just 3.5 inches or so. These fish really draw attention, and males and females add variety with completely different colors! Males are electric blue with dark vertical stripes and females are plain yellow/orange.
They are true Mbunas, although they are less aggressive than other species from this group. Keep these fish in a rocky aquascape that mimics their natural habitat.
19. Calvus
Scientific Name: Altolamprologus calvus
Size: 3-6 inches
Minimum Tank Size: 30 gallons
Lake Type: Lake Tanganyika
Cichlid Type: Predatory rock-dweller
Color Form: Black and white
Water Temperature: 75 – 80°F
pH: 7.5 – 9
Hardness requirements: 10 – 20 dKH
Diet: Carnivorous. Provide meaty frozen foods
The calvus cichlid is a unique predatory fish with a strange body shape and dramatic markings. They may not have any bright colors, but their spectacular spots and stripes make them stand out in any aquarium!
Calvus are predators, with big mouths for swallowing live prey like insects and small fish. They are not aggressive towards similar-sized fish and should not be kept with other boisterous fish like mbunas or tropheus.
20. Demasoni
Scientific Name: Pseudotropheus demasoni
Size: 3 inches
Minimum Tank Size: 40 gallons
Lake Type: Lake Malawi
Cichlid Type: Mbuna
Color Form: Blue and black
Water Temperature: 75 – 82°F
pH: 7.8 – 8.8
Hardness requirements: 10 – 15 dKH
Diet: Omnivorous. Feed mostly spirulina flake and greens but supplement with live/frozen foods.
Demasoni cichlids are small but highly aggressive Lake Malawi Cichlids that are not afraid to tackle larger species. They can be kept with other mbunas but it’s best to avoid similar-looking tank mates.
Both males and females are great-looking fish, and they can be tricky to sex. However, males grow larger than females and are more aggressively territorial.
21. Duboisi
Scientific Name: Tropheus duboisi
Size: 4.8 inches
Minimum Tank Size: 29 gallons
Lake Type: Lake Tanganyika
Cichlid Type: Rock dwellers
Color Form: Black and white
Water Temperature: 73 – 81°F
pH: 8 – 9.5
Hardness requirements: 10 – 20 dKH
Diet: Omnivorous. Feed mostly spirulina flake and greens but supplement with live/frozen foods.
The duboisi cichlid is also known as the white spotted cichlid because it has white spots on a black body when young. Mature fish fade to a blue-black shade and develop a single white bar on either side of their body.
These fish are highly aggressive toward their own species but relatively peaceful with other fish. They can be kept as a single specimen or in a large school (15+) in a limited space.
Tank Setup and Care Tips
African cichlids are hardy and easy to keep if you choose their tank mates correctly and provide them with a healthy natural environment. Let’s run through a few important African cichlid care tips.
Tank Size
Most African cichlids need a medium to large aquarium, although some of the dwarf cichlid species like Neolamprologus can be housed in a 10 to 20-gallon tank.
30 gallons is the minimum for some of the dwarf Mbunas and peacocks, but a 55-gallon tank is the recommended starting point for an African cichlid community.
Diet
African cichlids are a diverse group of fish, so a one-size-fits-all approach is not recommended. These fish can be very sensitive to poor nutrition, and easily develop problems like obesity and even dangerous health conditions like Malawi bloat.
Ron is an African Cichlid breeder with over 25 years in experience who created a line of food that is well balanced. A great option when you can’t use frozen foods.
Most African cichlids can be fed prepared foods like cichlid pellets and spirulina flakes, although a more balanced diet is necessary for long-term health. The mbunas in particular require a low-protein diet consisting of algae and vegetable matter, with the occasional meaty supplement.
Choosing Tank Mates
Choosing tank mates for African cichlids can be a daunting task. Often the best results come from intentionally overstocking their tank so there is no room for them to claim any territories.
Make sure to research compatibility carefully before adding new fish to your tank, and remember that sex ratios can be just as important as a species selection.
It’s also possible to attempt an all male cichlid tank. For further details on how to attempt this I suggest checking out the this cichlid forum.
Maintenance
African Cichlids are pretty messy fish, and a heavily stocked community tank is going to need high filtration and regular maintenance. Over-filtering is the norm with these tanks, and weekly water changes are recommended to manage nitrate levels.
Mbuna cichlids are the most popular African cichlid species in the hobby. Red zebra cichlids and yellow labs are some of the most common species in the aquarium trade for their amazing colors and high activity levels.
What Are The 2 Main Groups Of Cichlids?
The two main groups of cichlids are the African cichlids and the New World cichlids. Most of the African cichlids come from the great lakes of East Africa, whereas the New World cichlids come from North, Central, and South America.
How Many Types Of Malawi Species Are There?
There are a staggering 850 species of Cichlids in Lake Malawi. Of course, not all of these fish are available or even suitable for aquariums, but there is still a multitude of Malawi cichlids available in the aquarium trade.
What Is The Rarest Species?
There are a staggering 850 species of Cichlids in Lake Malawi. Of course, not all of these fish are available or even suitable for aquariums, but there is still a multitude of Malawi cichlids available in the aquarium trade.
What Is The Rarest Species?
At least 52 cichlid species are classified as endangered and a further 106 as critically endangered. Many species are threatened by overfishing, pollution, and the introduction of non-native fish. The Lake Victoria Cichlids, for example, are under serious threat after the Nile Perch was introduced in the 1950s.
What Are Some Of The Most Peaceful Species?
African Cichlids have a reputation for being aggressive fish, so they are hardly ever a safe option for a peaceful community tank. However, there are some species that stand out as more peaceful than the rest.
Frontosa Cichlids may have an intimidating look, but they are actually gentle giants in an African cichlid aquarium. The kribensis cichlids are one of the few African species that can be kept in a small community tank with other popular freshwater fish species, although they can be aggressive when breeding.
Final Thoughts
African cichlids are real eye candy for fish lovers. Their bright colors, interesting behaviors, and high activity levels make an African cichlid tank one of the most captivating to keep. Hopefully, you have enjoyed this article and learned more about some of Africa’s most exciting freshwater fish!
Do you keep African cichlids? Tell us about your favorite species in the comments below!
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