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: milieu / climate zone / depth range / distribution range
Freshwater; brackish; benthopelagic. Tropical
Africa: Lower part of the Pangani River system and the neighboring Zigi River in Tanzania.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.1 cm SL male/unsexed; (Ref. 52331)
(total): 16 - 18;
soft rays: 8 - 11;
Vertebrae: 29 - 30. Diagnosis: about 50% of individuals with 4 anal fin spines; modal numbers of vertebrae (29), dorsal rays (27) and gill-rakers (15) low; jaws of breeding males enlarged; females and non-breeding males with horizontal and vertical elements of melanin pattern conspicuous, especially at their junctions, where blotches are often drawn out vertically (Ref. 2). Breeding males with throat and chest black (Ref. 2), and conspicuous broad dark vertical bars on the lower half of the body (Ref. 2, 4967, 54096).
Inhabits rivers (Ref. 4967). Maximum total length reported 20.8 cm = 16.1 cm SL + 4.7 cm caudal fin length (Ref. 2). Maximum SL reported in Ref. 4967 (18 cm) not confirmed in other sources (Ref. 2, 52331; G.F. Turner pers. comm.).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 115185)
CITES (Ref. 115941)
Threat to humans
Fisheries: ; aquaculture: likely future use
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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=0.01622 (0.00701 - 0.03755), b=3.02 (2.82 - 3.22), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.40 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (27 of 100) .