Actinoptérygiens (poissons à nageoires rayonnées) >
Perciformes (Perch-likes) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Environnement / Climat / Gamme
Écologie
; eau douce benthopélagique. Tropical, preferred ?
Africa: Lake Jipe and Pangani River (Kenya-Tanzania).
Length at first maturity / Taille / Poids / Âge
Maturity: Lm ?, range 20 - ? cm
Max length : 50.0 cm SL mâle / non sexé; (Ref. 2)
Épines dorsales (Total): 17 - 19; Rayons mous dorsaux (Total): 11-13; Épines anales 3-5; Rayons mous anaux: 10 - 12; Vertèbres: 32 - 33. Diagnosis: body depth 2.5-2.8 times in SL (Ref. 4967, 55060). Mouth not conspicuously large (Ref. 54836). Teeth of jaws with slender shafts in young, uniformly slender in adults (Ref. 2). Pharyngeal teeth very fine and crowded (Ref. 2, 55060). Dentigerous area of lower pharyngeal jaw with rounded lobes and short apex, its median length nearly always less than that of the blade (Ref. 2). Pectoral fin 34.3-42.2% SL (Ref. 2, 55060), rarely below 36% SL (Ref. 2), reaching origin of anal fin (Ref. 4967, 55060). Mostly with 4 anal spines, sometimes 3 (Ref. 2, 54836), rarely 5 (Ref. 2). Scales with dark centers and golden-yellow edges (Ref. 2). Caudal fin with dark vertical stripes (Ref. 2, 54836, 55060).
Inhabits lakes and rivers (Ref. 4967). Occasionally territorial (Ref. 2). Periphyton browser, additionally feeding on bottom deposits and associated phytoplankton (Ref. 30832). Maternal mouthbrooder (Ref. 54046, 55060).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Breeding pits may be similar to those of O. pangani, consisting of a central pit surrounded by two or three series of smaller pits (Ref. 2, 55060).
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. 115185)
CITES (Ref. 94142)
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquaculture: expérimental
Plus d'informations
CollaborateursImagesStamps, CoinsSonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
Outils
Articles particuliers
Télécharger en XML
Sources Internet