The shark catfishes form the family Pangasiidae. They are found in fresh and brackish waters across southern Asia, from Pakistan to Borneo. Among the 30-odd members of this family is the plant-eating, endangered Mekong giant catfish Pangasianodon gigas, one of the largest known freshwater fish. Several species are the basis of productive aquaculture industries in Vietnam's Mekong Delta.
The Bagridae are a family of catfish that are native to Africa (Bagrus) and Asia from Japan to Borneo. It includes about 245 species. These fish are commonly known as naked catfishes or bagrid catfishes.
Pseudobagarius meridionalis is a species of catfish belonging to the family Akysidae. It is only known from the Barito River basin in southern Borneo.
The Anchariidae are a family of catfishes containing two genera, Ancharius and Gogo with 6 species. Anchariids are a strictly freshwater group endemic to Madagascar. Anchariids are characterized by the presence of fringed barbels and a reduced anterior nuchal plate.
Haemomaster venezuelae is a species of catfish of the family Trichomycteridae, and the only species of the genus Haemomaster. This fish grows to about 6.6 centimetres (2.6 in) SL and originates from the Amazon and Orinoco River basins.
Hatcheria macraei is a species of pencil catfish and the only species in its genus. This fish grows to about 20.8 centimetres (8.2 in) and originates from rivers east of the Andes in Argentina, between 29° and 45°30′S.
Malacoglanis gelatinosus is a species of catfish of the family Trichomycteridae, and the only species of the genus Malacoglanis. This fish grows to about 2.0 centimetres (.79 in) SL. and is native to the Caquetá River basin of Colombia. Stauroglanis is the sister group to a monophyletic group formed by Malacoglanis and Sarcoglanis.
Andersonia leptura is a species of catfish of the family Amphiliidae, and is the only species of the genus Andersonia. This fish grows to about 50.0 cm (19.7 in) in total length; it is found in the Omo, Niger, and Upper Nile Rivers and the Lake Chad basin, and is also known from Lake Debo. Although previously considered to be toothless on the lower jaw, dentition has been found on the premaxilla and the dentary. The teeth are embedded in the mucous sheath that covers the head and extends into the oral cavity, which makes the teeth difficult to see with the naked eye.
Pareiodon microps is a species of catfish of the family Trichomycteridae, and the only species of the genus Pareiodon. It is endemic to Brazil where it occurs in the Amazon Basin.
Sarcoglanis simplex is a species of catfish of the family Trichomycteridae, and the only species of the genus Sarcoglanis. This fish originates from the upper Rio Negro basin of Brazil. Stauroglanis is the sister group to a monophyletic group formed by Malacoglanis and Sarcoglanis.
Pseudotatia parva is a species of catfish of the family Auchenipteridae. It is the only species of the genus Pseudotatia. This species originates from the São Francisco River basin of Brazil.
Ictalurus is a genus of North American freshwater catfishes. It includes the well-known channel catfish and blue catfish.
Belonoglanis is a genus of catfishes of the family Amphiliidae. Both species occur in the Congo River basin.
The bayad, is a species of bagrid catfish from Africa.
The Somalia catfish is a species of catfish in the family Bagridae. The Somalia catfish is native to the Jubba River in Somalia.
Phractura is a genus of loach catfishes that occur in Africa.
Galeichthys is a genus of sea catfishes in the family Ariidae, the only genus in the subfamily Galeichthyinae. It includes four predominantly marine species distributed in Southern Africa and northwestern South America:
Goeldiella eques is a species of three-barbeled catfish that occurs in the Guianas and the Amazon basin of Brazil, Peru and Venezuela. This fish reaches a length of 28.9 centimetres (11.4 in) SL. It is the only species of its genus.
Batrachocephalus mino, the beardless sea catfish, is the only species of catfish in the genus Batrachocephalus of the family Ariidae. This species occurs in marine and brackish waters of Bay of Bengal, and parts of the western central Pacific, in coastal waters, estuaries, and lower reaches of rivers. It is distributed from Pakistan, India, Sri Lanka, Bangladesh, Myanmar, Malaysia, Thailand, to Indonesia.
Ketengus typus, the bigmouth sea-catfish, is the only species in the sea catfish genus Ketengus.
