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.
Pseudacanthicus pitanga
Rio Tocantins, Brazil · rapids
Dark body with red fin edges. Large and aggressive.
Photo: B. Phalan, CC BY 4.0
Panaque armbrusteri
Rio Xingu and Tocantins, Brazil · rapids
A large royal pleco from the Xingu and Tocantins. Needs a very big tank.
Photo: JSutton93, CC BY-SA 4.0
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
Baryancistrus demantoides
Upper Orinoco and Ventuari, Venezuela · rapids
The hi-fin version, with a tall dorsal. Territorial, and rarely bred.
Photo: Anne Blindheim, CC BY-SA 3.0
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