. "NE" . "* Silurus hemioliopterus (Bloch & Schneider, 1801)" . . "* Rhamdia grunniens (Humboldt, 1821)" . "Redtail catfish"@en . "* Pimelodus grunniens (Humboldt, 1821)" . "* Phractocephalus bicolor (Spix & Agassiz, 1829)" . "This article is about the South American redtail catfish. For the Asian redtail catfish, see Hemibagrus wyckioides.The redtail catfish, Phractocephalus hemioliopterus, is a pimelodid (long-whiskered) catfish. In Venezuela it is known as cajaro and in Brazil it is known as pirarara. It is the only extant species of the genus Phractocephalus. This fish is a common aquarium fish."@en . . . . . . . "iucn3.1" .