Freshwater Oddballs — Cool Freshwater Fish for Sale
Oddball freshwater fish such as the pacu, datnoid, and paradise fish are often related to other fish which do fit into more standard categories. The Paradise fish for example, is very similar to a gourami but it is not a gourami so it cannot be put into the same category. Some of these fish have specialized feeding requirements they need an aquarium with special considerations such as size. Pacu are vegetarians which get quite huge, so a very large aquarium is required for example while other fish may have very tiny or narrow mouths and may require special food.