Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Cichlidae
(Cichlids) > Pseudocrenilabrinae
Etymology: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Environment / Climate / Range
Freshwater; benthopelagic. Tropical; 7°S - 9°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm SL male/unsexed; (Ref. 4967)
(total): 15 - 17;
soft rays: 10 - 11;
Vertebrae: 30. Caudal fin free of scales except basally. Scales on cheek in 2 rows. Vertebrae 30. Outer teeth bicuspid, occasionally with a few tricuspids. Breeding males mainly black with orange margins to dorsal and caudal fins; pelvic fins black or yellowish and the long genital tassels orange-yellow; iridescent marblings on gill-cover and snout.
Africa: Lake Rukwa in Tanzania.
Inhabits lakes and rivers (Ref. 4967). Males construct territories in shallow water. Where there is ample space, each territory consisted of a central raised mating platform in the middle of a large circular depression (Ref. 2).
Trewavas, E., 1983. Tilapiine fishes of the genera Sarotherodon, Oreochromis and Danakilia. British Mus. Nat. Hist., London, UK. 583 p. (Ref. 2)
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01905 (0.00930 - 0.03905), b=3.01 (2.82 - 3.20), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.1 ±0.2 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Moderate vulnerability (39 of 100) .