Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal; pH range: 6.5 - 7.5; dH range: ? - 15; potamodroom (Ref. 51243). Tropical; 22°C - 28°C (Ref. 12468)
Africa: from Senegal to the Chad basin (Ref. 2936, 86396), but absent in coastal basins between southern Gambia and Sassandra (Ref. 2936, 86396). Also in the Nile (Ref. 7094, 28714) and the Cross River (Ref. 81638, 86396).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm ?, range 30 - ? cm
Max length : 76.0 cm TL mannelijk / geslacht onbekend; (Ref. 7094); max. gepubliceerd gewicht: 6.3 kg (Ref. 7094)
Korte beschrijving
Morfologie | Morfometrie
Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 21-27; Anale stekels 0; Anale zachte stralen: 13 - 17. Diagnosis: mouth subterminal; body depth 2.7-3.6x and head length 3.3-5.5x SL; caudal peduncle 0.7-1.1x longer than wide; 12-15 scales between lateral line and scaly process at bases of pelvic fins; eye diameter 3.3 (juveniles)-7x head length; juveniles with vertical bars on sides (Ref. 2936, 86396). Round humeral spot present (less obvious in larger individuals); body never with small, dark, eye-sized spots (Ref. 81638). 83-94 lateral line scales (Ref. 2936, 81638, 86396). 21-26 (Ref. 86396) or 21-27 (Ref. 81638) total dorsal fin rays. 13-16 (Ref. 86396) or 13-17 (Ref. 81638) total anal fin rays.
Marco-herbivores, feed on submerged plants, Eichornia roots and periphyton (Ref. 28714). Maximum length 62.5 cm SL (Ref. 2936, 81638, 86396).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Vari, R.P., 2007. Distichodontidae. p. 412-465. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81638)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
Meer informatie
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaElectrophoresesErfelijkheidZiektesVerwerkingNutrientsMassaconversie
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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=0.01288 (0.00906 - 0.01831), b=3.01 (2.93 - 3.09), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.6 ±0.25 se; based on food items.
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).