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> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Norman.

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce; saumâtre benthopélagique; profondeur 1 - ? m (Ref. 5723). Tropical; 22°C - 28°C (Ref. 2059); 5°S - 10°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Africa: most of the Rufiji River and its tributaries, Kingani [= Ruvu] River, Mbwenkuru River and Wami River, all in Tanzania (Ref. 2, 118630, 118638). Populations in Zanzibar and Pemba may be native, although there may also have been some stocking from the mainland (Ref. 118638).

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 44.0 cm SL mâle / non sexé; (Ref. 4967)

A maternal mouthbrooder (Ref. 118638); oviparous (Ref. 205). A large, fast-growing species heavily exploited in its native range (Ref. 118638). It was globally cultured in the past, making use of its salt tolerance and ability to produce all-male strains through hybridisation with Oreochromis niloticus and O. mossambicus (Ref. 118638).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur : Kullander, Sven O. | Collaborateurs

Trewavas, E., 1983. Tilapiine fishes of the genera Sarotherodon, Oreochromis and Danakilia. British Mus. Nat. Hist., London, UK. 583 p. (Ref. 2)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)

Préoccupation mineure (LC) ; Date assessed: 08 April 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: commercial; Aquaculture: commercial; Aquarium: Commercial

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01549 (0.00766 - 0.03132), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Niveau trophique (Ref. 69278): 2.0 ±0.00 se; based on food items.

Résilience (Ref. 120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Fec=500).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (41 of 100).

Catégorie de prix (Ref. 80766): Unknown.

Oreochromis urolepis (Norman, 1922)