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Exotic Freshwater Fish - Top 10

When it comes to beauty and exotic fish, many hobbyists point to saltwater fish. However, there are a variety of exotic freshwater fish available in the hobby today. If you are looking for one of a kind exotic freshwater fish with unique features or incredible colors, then keep on reading. We are going to go over 10 of the most exotic freshwater fish in the hobby. Some on these fish make the list because they sell for ridiculous prices, others for color and variety, some are extremely aggressive, and one of them has crazy looking teeth. 

10 Most Exotic Freshwater Fish

# 10 Wolf Cichlid

 Wolf Cichlid

Stats:

  • Minimum Tank Size - 75 gallons 
  • Max Size - Around 28 inches
  • Temperament - VERY Aggressive
  • Lifespan - 30 years
  • Price - $20

A relatively plain looking fish as an adult so you may be wondering why this Cichlid makes our most exotic freshwater fish list. Well, it's because this fish is hyper aggressive. It is easily the most aggressive cichlid you can buy and arguably the most aggressive freshwater fish commonly available. 

They are a total handful, they are usually best kept alone in a tank as they will harass any other fish in the aquarium and they are scary to feed. Just look at this video by Mbuna Marcus of his Wolf Cichlid. Several times in this video his Wolf Cichlid went right for his fingers while eating and splashes water over his floors! These fish do not mess around! 

# 9 Vampire Tetra

Vampire Tetra

Stats:

  • Minimum Tank Size - 75 gallons 
  • Max Size - Around 12 inches
  • Temperament - Aggressive
  • Lifespan - 2 years in captivity
  • Price - $75+

This is one crazy looking exotic freshwater fish. They have giant front teeth which is where the name vampire comes from. They are very aggressive fish that require expert level maintenance. Most of these fish usually will not live very long in captivity unfortunately. They usually only eat live fish and will rarely accept frozen foods. They are best suited for a species only aquarium with most aquarists who keep them only have a single fish in the tank.  

# 8 Red Texas Cichlid

Texas Red Cichlid

Stats:

  • Minimum Tank Size - 75 gallons 
  • Max Size - Around 12 inches
  • Temperament - Aggressive
  • Lifespan - Around 5-10 years
  • Price - Usually around $150-200 at 6 inches

This hybrid cichlid was created by breeding a Texas Cichlid and a Flowerhorn Cichlid. They are difficult to find and usually available seasonally from breeders. They command a high price tag since they are hard to find. 

# 7 - African Cichlids

African Cichlid

Stats:

  • Minimum Tank Size - 40 gallons 
  • Max Size - Up to 24 inches though usually 6-7 inches
  • Temperament - Semi-Aggressive to Aggressive
  • Lifespan - Around 5-10 years
  • Most Expensive - Showcase African Varieties usually $120+

There are so many African cichlids we could list here. Since many of them are often confused as saltwater fish by many people who see them for the first time, I felt that it was best to include most of African lake cichlids in one group. There are some Africans that you can get for cheap like assorted Mbunas from a local fish store. However, there are specific varieties of African that can command prices over $100. If you are interested in learning more about African Cichlid tanks and care, please sure to check our earlier blog post.  

# 6 - Flowerhorn Cichlid

Flowerhorn Cichlid

Stats:

  • Minimum Tank Size - 70 gallons 
  • Max Size - 15 inches
  • Temperament - Aggressive
  • Lifespan - Around 7 years
  • Most Expensive - Breeder Showcase Varieties $500+

A very beautiful exotic freshwater fish that originates from Malaysia. In Asia, they are considered a bringer of good luck. They come in a variety of colors including reds, blues, pinks, yellows, and oranges. They are an aggressive Cichlid species and prefer large tanks all to themselves.  

# 5 - Pleco

L250 Pleco

Stats:

  • Minimum Tank Size - 70 gallons 
  • Max Size - 18 inches
  • Temperament - Peaceful
  • Lifespan - Around 20 years
  • Most Expensive - L250 Pleco $10,000+

While most hobbyist will think a Pleco is a common freshwater fish, they really are a unique exotic freshwater fish. Many varieties like Snowball, Zebra,Golden Nugget, and Royal Plecos are examples on how exotic looking Plecos can be. There are common plecos which can get fairly large typically around 12-18 inches in length and there are smaller varieties like bristle nose Plecos which are suitable for smaller aquariums.  

The most expensive Pleco to date was the L250 Pleco sold back in 2004 for over $10,000 in Japan; however, most Plecos do not sell anywhere near that . There are several types of Plecos that will sell for over $100 though.

# 4 - Discus

Discus Fish

Stats:

  • Minimum Tank Size - 75 gallons 
  • Max Size - 8 - 10 inches
  • Temperament - Peaceful
  • Lifespan - Around 10 years
  • Most Expensive - Mated Pair Discus $1,000+

When one thinks of exotic freshwater fish, this is usually the fish most people think of. They can be expensive, have a variety of colors, are very delicate, and require excellent water parameters. Discus belong to the Cichlid genus and originate from South America. They are very social with members of their own species. They will also breed in the aquarium, which has created an industry of cichlid breeders where some top strains will sell for several hundred to thousands of dollars.

They are considered very challenging where they even intimate advanced aquarium keepers! If you are considering Discus and are new to keeping them, starting with an easier to keep discus breeder varieties like Stendker Discus or purchasing only domestically breed discuss will increase your chances to succeed.

# 3 - Freshwater Stingrays

Freshwater Stingray

Stats:

  • Minimum Tank Size - 180 gallons 
  • Max Size - Up to 3 feet
  • Temperament - Semi-Aggressive
  • Lifespan - Around 10 years
  • Most Expensive - Polka Dot Stingray $100,000

When most of us think about stingrays, we think about the saltwater variety. There are freshwater varieties that originate from the Amazon. Beautiful, bold, and unique looking they are difficult to resist if you have a big enough aquarium. This exotic fresh fish is also venomous. While there are no known cases of a freshwater stingray causing a human fatality, they have been cases where the sting has caused numbness at the wound site several years later!

The rarest stingrays also command high price tags. One such stingray at the Taiwan Expo featured a Polka Dot Stingray with an asking price of $100,000!

# 2 - Arowana

Arowana

Stats:

  • Minimum Tank Size - 125 gallons
  • Max Size - 3 Feet
  • Temperament - Aggressive
  • Lifespan - Up to 50 years
  • Most Expensive - Platinum Arowana $300,000

An extremely popular freshwater fish due to its prehistoric cosmetic appearance, the Arowana is well known exotic freshwater fish. They are known for jumping as high as 6 feet in the air for prey in the wild and have been known to jump out of aquariums. They get very large and are usually housed in an aquarium at least 125 gallons or larger. A common Arowana can be purchased for around $50 to a few hundred dollars.
 
However, certain Arowanas can fetch extreme price tags. Prized Arowana like the Platinum Arowana can sell for over $300,000!. These Arowanas are considered so valuable that they have microchips implanted into them before they reach sexual maturity to help identify and authenticate it. 

# 1 - Japanese Koi

Exotic Freshwater Fish - Japanese Koi

Stats:

  • Minimum Tank Size - 1000 gallons
  • Max Size - 3 Feet
  • Temperament - Peaceful
  • Lifespan - Around to 30 years
  • Most Expensive - Golden Carp $2,000,000+

In Japanese culture, the Koi fish is celebrated as a noble creature. It is said that Japanese Koi are able to climb large waterfalls bravely, which symbolizes that incredible achievement is possible with hard work. It is also said in Koi lore that if a Koi fish is caught, it will lie on the cutting board awaiting its death without fear, similar to the Samurai warriors. There are also legends stating that if a Koi climbed the waterfall on the Yellow River, it would be transformed to a Koi Dragon.

With such great history, lore, and respect for these fish, there is no question for this fish to be #1 on our most exotic freshwater fish list. In fact, the most expensive koi on the list demands a staggering price tag of over $2,000,000! You can see the prized fish in the video below:
 

What Has Been Your Experience with These Exotic Freshwater Fish?

Have you kept any of these fish on this list? If so, share your experiences in the comments below. We would love you hear your experiences. 

 

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