Steatocranus

Steatocranus is a genus of small rheophilic cichlids mostly native to the Congo River Basin in DR Congo/Congo Brazzaville, although one species, S. irvinei, is restricted to the Volta River in Ghana and Burkino Faso,^[1] and it belongs in a separate genus.^[2] There are also at least c. 10 undescribed species in the Congo River basin awaiting scientific description.^[3][4]

Quick Facts Scientific classification, Type species ...

Steatocranus
S. tinanti
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cichliformes
Family:	Cichlidae
Subfamily:	Pseudocrenilabrinae
Tribe:	Steatocranini Dunz & Schliewen, 2013
Genus:	Steatocranus Boulenger, 1899
Type species
Steatocranus gibbiceps Boulenger, 1899

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The fish in this genus all have relatively reduced swim bladder function. The name Steatocranus refers to the fatty deposit on the forehead of most species.

Two species, S. casuarius (also known as the lionhead or buffalohead cichlid) and S. tinanti are relatively common in the aquarium trade.

As for other cichlids brood care is highly developed and both sexes are involved in raising the young. All Steatocranus species are secretive cave spawners and form monogamous pairs for breeding. The female is more actively involved in fry raising, while the male is primarily concerned with territorial defence.