Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. 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).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 59.0 cm SL hane/ej könsbestämd; (Ref. 2936); publicerad maxvikt: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 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). |
Trofisk nivå (Ref. 69278) |
2.0 ±0.00 se; based on food items. |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (47 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
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