Freshwater fishes
542 species, each with the water it needs, who it gets along with, and where it comes from. Find one, or browse by family, genus or river.
Pterygoplichthys joselimaianus
Tocantins–Araguaia basin, Brazil · river
A sailfin that grows to about 30 cm and makes a lot of waste. Big tanks only.
Photo: 5snake5, CC BY-SA 4.0
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Plecos · PanaqueRare
Red eyes and pinstripes, but it grows to about 40 cm and eats a lot of wood.
Panaque nigrolineatus
Orinoco basin, Colombia and Venezuela · river
Red eyes and pinstripes, but it grows to about 40 cm and eats a lot of wood.
Photo: Neale Monks, CC BY-SA 3.0
Altolamprologus calvus
Lake Tanganyika: rocky shores and islands, mainly southwestern part · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: 5snake5, CC0
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Cichlids · ChindongoVU
Predator. Eats any fish that fits in its mouth.
Chindongo demasoni
Lake Malawi: Pombo Rocks, Tanzanian coast · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: dinomariobob, CC0
Plecos · HypancistrusRare
Hypancistrus seideli
Rio Xingu, Pará, Brazil · river
Grading is by how much white shows, and the whitest fish sell for the most. Best at 29–30°C with strong flow and protein-heavy food.
Cichlids · AulonocaraCR
Aulonocara baenschi
Lake Malawi: western shore sand-rock zones at Usisya, Nkhomo Reef, Benga, Maleri Is., Chipoka · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
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