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.
Hypancistrus zebra
Volta Grande of the Rio Xingu, Brazil · rapids
Brazil banned wild export, so Canadian stock is tank-bred. Clean, even stripes where L236 are broken and patchy.
Photo: Birger A, CC BY-SA 3.0
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
Pseudacanthicus pitanga
Rio Tocantins, Brazil · rapids
Dark body with red fin edges. Large and aggressive.
Photo: B. Phalan, CC BY 4.0
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Plecos · PseudacanthicusRare
Spotted cactus pleco with orange-edged fins.
Pseudacanthicus leopardus
Rupununi and Essequibo, Guyana, and the Rio Branco, Brazil · rapids
Spotted cactus pleco with orange-edged fins. Large, spiny and aggressive with other plecos.
Photo: Sesamehoneytart, CC BY-SA 3.0
Baryancistrus xanthellus
Rio Xingu, and the Rio Iriri for L177 · rapids
Black with yellow spots and gold fin edges. Grows larger than Hypancistrus and holds a territory.
Photo: Anne Blindheim, CC BY-SA 3.0
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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
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