Clarias is a genus of catfishes of the family Clariidae, the airbreathing catfishes. The name is derived from the Greek chlaros, which means lively, in reference to the ability of the fish to live for a long time out of water.
The stream catfishes comprise the family Akysidae of catfishes.
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.
The loach catfishes are a family, Amphiliidae, of catfishes. They are widespread in tropical Africa, but are most common in streams at high elevations; most species are able to cling to rocks in fast-flowing streams. The 13 genera contain 68 species.
Sisoridae is a family of catfishes. These Asian catfishes live in fast-moving waters and often have adaptations that allow them to adhere to objects in their habitats. The family includes about 235 species.
Akysis is the largest genus of catfishes of the family Akysidae.
Zungaro is a genus of long-whiskered catfishes native to South America, with two recognized species as of 2018:
Sisoroidea is a superfamily of catfishes. It contains the four families Amblycipitidae, Akysidae, Sisoridae, and Erethistidae; many sources also include Aspredinidae. With Aspredinidae, this superfamily includes about 42 genera and 230 species.
Pseudomystus is a genus of catfishes of the family Bagridae.
Gogo is a small genus of catfishes of the family Anchariidae. It includes four species.
Parakysis is a genus of catfishes of the family Akysidae. It includes six species.
Breitensteinia is a genus of catfishes of the family Akysidae. It includes three species.
Pseudobagarius is a genus of catfishes of the family Akysidae.
Ictalurus is a genus of North American freshwater catfishes. It includes the well-known channel catfish and blue catfish.
Silurus is a genus of catfishes native to Europe and Asia.
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:
Ompok is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia.
Pterygoplichthys ambrosettii, sometimes known as the snow king pleco, is a species of armored catfish native to south-central South America.
