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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: Günther.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce; saumâtre benthopélagique. Tropical; 24°C - 28°C (Ref. 2059); 23°N - 7°S
Africa: Coastal rivers of Kenya from the Mwena River to the lower Athi below Lugard's Falls; also near its mouth, including Lake Chem Chem; Lower and middle Tana River, Northern Uaso Nyiro, Juba system and Webi Shebeli; Nguruman; and Ethiopia (Ref. 5166). Probably also in Lake Momello, south of the Kenya-Tanzania border (Ref. 5166, 118638). Three subspecies are recognized: Oreochromis spilurus niger, Oreochromis spilurus percivali and Oreochromis spilurus spilurus.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 19.2 cm SL mâle / non sexé; (Ref. 2); 16.3 cm (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 14 - 17; Rayons mous dorsaux (Total) : 10 - 13; Épines anales: 3; Rayons mous anaux: 9 - 10; Vertèbres: 28 - 30.
Body shape (shape guide): short and / or deep.
Feeds on insects, plants and diatoms (Ref. 2).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Spawns in shallow water with shelving bottom in ponds. Size of first spawning depends on population density (lower at higher densities). Mating pit is the size and shape of a saucer. Eggs probably fertilized before being taken into the mouth by the female, or are fertilized inside the mouth (Ref. 2).
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 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquaculture: commercial; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01862 (0.00830 - 0.04177), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
2.6 ±0.35 se; based on food items. |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (tm<=1: multiple spawning per year). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (18 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Unknown.
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Nutriments (Ref. 124155) |
Calcium = 32.9 [12.2, 191.3] mg/100g; Iron = 1.36 [0.64, 2.82] mg/100g; Protein = 17.4 [15.7, 19.1] %; Omega3 = 0.186 [0.086, 0.409] g/100g; Selenium = 64.5 [27.3, 139.1] μg/100g; VitaminA = 8.03 [1.52, 36.61] μg/100g; Zinc = 2.2 [1.2, 4.8] mg/100g (wet weight); based on nutrient studies. |