Although the redtail catfish is the only living representative of this genus, there are other members that date back … See more

Phractocephalus hemioliopterus can reach about 1.8 m (5 ft 11 in) in length, and about 80 kg (180 lb) in weight. However, this is exceptionally rare, and most do not approach this size. They average 3 ft 6 in – 4 ft 6 in; 1.1… See more

The redtail catfish is native to the Amazon, Orinoco, and Essequibo river basins of South America, in Ecuador, Venezuela, Guyana, Colombia, Peru, Suriname, Bolivia, and Brazil. It is found only in fresh water, and inhabit… See more

Due to the potentially large size of this species, redtail catfish are considered a game fish by anglers. The current IGFA world-record for weight is from 2010 and belongs to Gilberto Fernandes, of Brazil, with a spec… See more

• List of freshwater aquarium fish species See more