Pacu fish (Colossoma macropomum)

Pacu fish (lat. Colossoma macropomum) is a freshwater ray-finned aquarium fishes kind from the subfamily Serrasalminae, Characidae family, or (according to another classification) from Serrasalmidae family, the only kind of Colossoma genus. It is one of the piranha families known for its blood lust. But unlike its “cousins” and despite a strong and massive body, this fish prefers plant food and belongs to the herbivorous class.

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Kuhli loach (Pangio kuhlii)

Kuhli loach (lat. Pangio kuhlii) is a fish kind of Cobitidae family. This is a peaceful ground fish that is more active in the evening and at night. This is a bright and easy to keep tank fish. As for its disadvantages, these can be its nocturnal habits and wariness. As a result, you may not see it in a tank during the day. Further in the article, you’ll find out how to keep, feed, breed, and choose tank mates for kuhli loach.

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