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Oreochromis tanganicae  (Günther, 1894)

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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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 Ecology

Freshwater; brackish; benthopelagic.   Tropical; 24°C - 26°C (Ref. 2059); 3°S - 9°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: Lake Tanganyika, in the coastal area and river mouths.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 42.0 cm SL male/unsexed; (Ref. 4967)

Short description Morphology | Morphometrics

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 11-15; Anal spines: 3; Vertebrae: 30 - 31. Jaws not prolonged. Preorbital bone deep, 24-29 % HL. Scales of chest and belly very small but imbricating. Melanin pattern of body in facultative vertical bands of constant width, usually invisible in large preserved fishes.

Biology     Glossary (e.g. epibenthic)

Sometimes forms schools. Has been reported to browse on the surface film of sheltered waters. Stomachs contained large quantities of the diatoms Pinnularia and Navicula with some sand grains (Ref. 2).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Brooding females of 23-25 cm TL were included in the catches off sandy beaches.

Main reference Upload your references | References | Coordinator : Kullander, Sven O. | Collaborators

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. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01622 (0.00707 - 0.03721), 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):  2.0   ±0.00 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (47 of 100) .