Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce démersal. Tropical
Africa: Sudanian species - Senegal, Gambia, Niger (downstream from Bamako), Volta, Chad. Unlike Distichodus rostratus, it is not found in the lower basins of the Volta and other coastal basins between Gambia and Niger (Ref. 2936, 86396). Also found in the White Nile (Ref. 2936).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 59.0 cm SL mâle / non sexé; (Ref. 2936); poids max. publié: 13.0 kg (Ref. 121466)
Diagnosis: mouth terminal; body depth 2.2-3.6x and head length 3.2-4.7x SL; caudal peduncle 0.7-0.9x longer than wide; eye diameter 3.6 (juveniles)-6.7x head length; scale formula 17.5-20.5/84-97/22.5-26.5; 18-20 scales between lateral line and pelvic-fin bases; 13-16 anal fin branched rays; 19-24 dorsal fin branched rays; juveniles with numerous spots on sides (Ref. 2936, 86396).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Maximum TL was recorded at 70 cm (Ref. 7094). Prefers flowing water. Feeds on vegetation and periphyton (Ref. 28714).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Gosse, J.-P. and E.J. Coenen, 1990. Distichodontidae. p. 237-260. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren and O.R.S.T.O.M., Paris, 384 p. (Ref. 2936)
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
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=0.01148 (0.00680 - 0.01938), b=3.06 (2.91 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Niveau trophique (Réf. 69278) |
2.0 ±0.00 se; based on food items. |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate to high vulnerability (47 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Unknown.
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