Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal. Tropical
Africa: present from Senegal to Cameroon, in Lake Chad basin and Nile River (Ref. 81638). Reported in the Senegal (Ref. 7094, 86396), Niger, Volta, Ogun, Chad (Ref. 2936, 86396), Cross (Ref. 2936, 7094, 81638, 86396) and Wouri (Ref. 2936, 7094) River basins.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm SL mannelijk / geslacht onbekend; (Ref. 2936); max. gepubliceerd gewicht: 1.5 kg (Ref. 3799)
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 20 - 28; Anale stekels: 0; Anale zachte stralen: 13 - 17. Diagnosis: mouth inferior; body depth 2.6-3.4x and head length 4.0-5.4x SL; caudal peduncle length <= its depth; eye diameter 3.5 (juveniles)-5.7x head length; 11-12 scales between lateral line and scaly process at bases of pelvic fins; juveniles with numerous small, dark, eye-sized, spots on sides (Ref. 2936, 86396). No round humeral spot, no vertical bars (Ref. 81638). 73-86 (Ref. 81638) or 75-86 (Ref. 86396) lateral line scales. 14-16 (Ref. 81638) or 15.5-16.5 (Ref. 86396) scales between dorsal fin and lateral line. 20-28 (Ref. 81638) or 22-27 (Ref. 86396) total dorsal fin rays. 13-17 (Ref. 81638) or 13-16 (Ref. 86396) total anal fin rays.
Maximum TL was recorded at 50 cm; prefers flowing water over rocky bottoms (Ref. 7094). Feeds on vegetation and periphyton (Ref. 28714).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.00867 - 0.05518), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.0 ±0.00 se; based on food items.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).