The Cetopsidae are a small family of catfishes, commonly called the whale catfishes.
The Aspredinidae are a small South American family of catfishes also known as the banjo catfishes, with about 43 species.
The stream catfishes comprise the family Akysidae of catfishes.
Erethistidae are a family of catfishes that originate from southern Asia. It includes about 45 species.
Pseudolaguvia is a genus of South Asian river catfishes. These species inhabit hill streams and large rivers. P. tenebricosa is found in fast running, clear water; the river has a sandy bottom and numerous rocks and boulders and aquatic vegetation is absent. P. inornata is from clear, shallow, moderately flowing streams with a predominantly sandy bottom. P. muricata is found in clear, shallow, slow-flowing streams with a mixed substrate of sand and detritus; these fish are found amongst detritus in areas with current. P. ferula is also found in swift flowing waters with a mixed rocky/sandy bottom.
Auchenipterichthys is a genus of driftwood catfishes found in South America.
Caelatoglanis zonatus is a species of catfish of the family Erethistidae. It is the only member of the monotypic genus Caelatoglanis.
Hypophthalmus is a genus of long-whiskered catfishes native to freshwater in tropical and subtropical South America.
Conta is a small genus of South Asian river catfishes native to India and Bangladesh.
Erethistoides is a genus of South Asian river catfishes.
Erethistes is a genus of South Asian river catfishes.
Pseudecheneis is a genus of sisorid catfishes native to Asia.
Bagarius is an Asian genus of catfishes of the family Sisoridae. It includes five to six extant species and potentially one extinct fossil species, B. gigas.
Gogangra is a genus of sisorid catfishes native to Asia.
Sisor is a genus of catfishes native to Asia.
Gagata is a genus of sisorid catfishes native to Asia.
Nangra is a genus of sisorid catfishes native to Asia.
Acrochordonichthys is a genus of catfishes of the family Akysidae. It includes ten species.
Pseudolithoxus is a genus of suckermouth armored catfishes with five described species from the basins of the Orinoco, Casiquiare and upper Rio Negro in Venezuela. Additionally, a possibly undescribed species is known from the Trombetas and Nhamundá rivers in Brazil.
Micromyzon akamai is a species of catfish in the family Aspredinidae.
