country information

Common names: [No common name]
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Aquaculture: | Ref:
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Uses: no uses
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Classification / Names

Actinoptérygiens (poissons à nageoires rayonnées) > Perciformes (Perch-likes) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Тилапия нильская, Tilapia du Nil, Tilapia del Nilo, ... more

Référence principale

Trewavas, E. 1983. (Ref. 2)
Références | Biblio | Coordinateur : Kullander, Sven O. | Collaborateurs

Taille / Poids / Âge

Max length : 60.0 cm SL mâle / non sexé; (Ref. 4967); poids max. publié: 4.3 kg (Ref. 40637); âge max. reporté: 9 années (Ref. 164)

Length at first maturity
L_m 18.6, range 6 - 28 cm

Environnement

; eau douce; saumâtre benthopélagique; potamodrome (Ref. 51243); profondeur 0 - 20 m (Ref. 32849), usually ? - 20 m (Ref. 34290)

Climat / Gamme

Tropical; 14°C - 33°C (Ref. 3), preferred ?; 32°N - 5°S, 17°W - 38°E

Distribution

Africa: naturally occurring in coastal rivers of Israel (Ref. 5166), Nile basin (including lake Albert, Edward and Tana), Jebel Marra, Lake Kivu, Lake Tanganyika, Awash River, various Ethiopian lakes, Omo River system, Lake Turkana, Suguta River and Lake Baringo (Ref. 2). In West Africa natural distribution covers the basins of the Senegal, Gambia, Volta, Niger, Benue and Chad, with introduced specimens reported from various coastal basins (Ref. 53405). Widely introduced for aquaculture, with many existing strains. Several countries report adverse ecological impact after introduction. The following subspecies were previously recognized: Oreochromis niloticus baringoensis, Oreochromis niloticus cancellatus, Oreochromis niloticus eduardianus, Oreochromis niloticus filoa, Oreochromis niloticus niloticus, Oreochromis niloticus sugutae, Oreohromis niloticus tana and Oreohromis niloticus vulcani.
Pays | Zones FAO | Écosystèmes | Occurrences | Introductions

Description synthétique

Épines dorsales (Total): 15 - 18; Rayons mous dorsaux (Total): 11-13; Épines anales 3; Rayons mous anaux: 9 - 11; Vertèbres: 30 - 32. Diagnosis: jaws of mature male not greatly enlarged (length of lower jaw 29-37 % of head length); genital papilla of breeding male not tassellated (Ref. 2). Most distinguishing characteristic is the presence of regular vertical stripes throughout depth of caudal fin (Ref. 4967, 53405).

Occur in a wide variety of freshwater habitats like rivers, lakes, sewage canals and irrigation channels (Ref. 28714). Mainly diurnal. Feed mainly on phytoplankton or benthic algae. Oviparous (Ref. 205). Mouthbrooding by females (Ref. 2). Extended temperature range 8-42 °C, natural temperature range 13.5 - 33 °C (Ref. 3). Maximum depth from Ref. 34290. Marketed fresh and frozen (Ref. 9987).