The true algae eaters are a single-genus family (Gyrinocheilidae, Gyrinocheilus) of small Southeast Asian fish that live in fast-flowing water, hold on to fixed objects using a sucker-like mouth, and feed primarily on algae.
The Chinese Algae Eater (Gyrinocheilus aymonieri) is often kept in aquaria to control algae. It can range up to 28 cm in length, but aquarium residents tend to be under 10 cm.
Spotted Algae Eater (Gyrinocheilus pennocki)
Borneo Algae Eater (Gyrinocheilus pustulosus)
(mention other species also called algae eaters)
