Teleostei (teleosts) >
Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Petrochromis: Latin, petra = stone + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; pH range: 7.4 - 8.4; dH range: 7 - 30. Tropical; 23°C - 27°C (Ref. 12468); 3°S - 9°S
Africa: Endemic to Lake Tanganyika.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 5679)
Adults usually found over rock, either solitary or in aggregation (Ref. 86760). Feed by scraping rock biocover (Ref. 6770). Females brood their young in the mouth (Ref. 86760).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Larvae of up to 1.94 cm TL are mouthbrooded by female parents 9.1 to 11.3 cm SL in size (Ref. 86760).
Maréchal, C. and M. Poll, 1991. Petrochromis. p. 369-373. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5679)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: commercial
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