The Cetopsidae are a small family of catfishes, commonly called the whale 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.
Helogenes is a genus of whale catfish found in tropical South America.
Cetopsidium is a genus of catfishes of the family Cetopsidae.
Denticetopsis is a genus of catfishes of the family Cetopsidae.
Cetopsis is a genus of catfishes of the family Cetopsidae.
Amphilius is a genus of catfishes of the family Amphiliidae.
Paramphilius is a genus of loach catfishes found in Africa.
Phractura is a genus of loach catfishes that occur in Africa.
Zaireichthys is a genus of loach catfishes of the family Amphiliidae.
Auchenipterus is a genus of driftwood catfishes.
Congoglanis alula is a species of loach catfish found in the Congo River Basin in Angola, the Democratic Republic of Congo and possibly in Zambia. It reaches lengths up to 14.1 centimetres (5.6 in) SL.
Doumea thysi is a species of loach catfish found in Nigeria where it is found in the Cross River and Cameroon where it is found in that country's section of the Cross River and Ndian Department. It reaches a length of 6.5 cm.
Tatia is a genus of small South American catfishes belonging to Auchenipteridae, the driftwood catfish family.
Congoglanis is a genus of loach catfishes found in the Congo River system of Africa. This genus is considered the sister group of all other species in the subfamily Doumeinae.
Eutropiichthys is a genus of schilbid catfishes native to Asia.
Doumea gracila is a species of catfish in the genus Doumea. It lives from Nyong to the Ntem rivers in southern Cameroon.
Doumea reidi is a species of catfish in the genus Doumea. It lives in the Mbam River in Nigeria. Its length reaches 9.3 cm.
Doumea skeltoni is a species of catfish in the genus Doumea. It lives in the Loémé and Kouilou-Niari rivers in the Republic of the Congo. Its length reaches 4.5 cm. It is named after South African ichthyologist Paul H. Skelton.
Doumea stilicauda is a species of loach catfish in the genus Doumea. It is only known to live in the So'o River, a tributary of the Nyong River, in Cameroon. Its length reaches 17.5 cm.
