Species

Homaloptera bilineata

A tiny torrent-dweller that crawls and hops across rocks like no other fish.

Otocinclus vittatus

Tiny algae-grazing catfish that plasters itself to glass and plants alike.

Otocinclus flexilis

A tiny algae grazer from Brazil with a surprising trick up its sleeve.

Hypergastromyzon humilis

A tiny Bornean hillstream loach that crawls rocks instead of swimming