These conditions can be found in various aquatic habitats, including blackwater rivers, swamps, and floodplains. Blackwater fish are often brightly colored and have distinctive patterns, and they are popular among aquarists for their beauty and the unique challenges of keeping them in captivity.
Blackwater fish are acid-loving freshwater fish that typically prefer water with an acidic pH of 6.5 or lower, and they require a specialized diet that includes live or frozen foods. They also require a well-planted tank with plenty of hiding places and good filtration to maintain water quality.