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Oreochromis karongae  (Trewavas, 1941)

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Oreochromis karongae
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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; benthopelagic, usually ? - 10 m (Ref. 5595).   Tropical; 22°C - 28°C; 8°S - 15°S

Length at first maturity / Size / Weight / Age

Maturity: Lm 28.9, range 20 - 38 cm
Max length : 42.0 cm TL male/unsexed; (Ref. 6150); 38.0 cm SL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 10-12; Anal spines: 3; Anal soft rays: 8 - 10; Vertebrae: 30 - 32. Diagnosis: head length 30.8-36.0% SL; length of lower jaw 28.4-34.5% head length; teeth of jaws in 4-5(6) rows (Ref. 2). Massive (lower) pharyngeal bone with large toothed area (Ref. 2, 2781), with straight (Ref. 2, 4364, 52161) or slightly convex sides (Ref. 2). Median length of bone 1.14-1.32 times its width and 38.2-42.2 % length of head; blade 1.0-1.7 times median length of toothed area; breeding male black (Ref. 2).

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

Africa: Lake Malawi.

Biology     Glossary (e.g. epibenthic)

Occurs in shallow vegetated bays, over sand, in purely rocky biotopes and other kinds of habitats; mostly found at shallow depths; feeds on phytoplankton and on diatom sediment on the sand (Ref. 5595). Maternal mouthbrooder (Ref. 6150).

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

Trewavas, E. and G.G. Teugels, 1991. Oreochromis. p. 307-346. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Checklist of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5166)

IUCN Red List Status (Ref. 90363)

  Endangered (EN) (A2bd)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
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=0.01862 (0.01059 - 0.03273), b=2.97 (2.82 - 3.12), based on LWR estimates for species & Genus-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 (K=0.24-0.56).
Vulnerability (Ref. 59153):  Moderate vulnerability (38 of 100) .
Price category (Ref. 80766):   Unknown.