Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Tropical
Africa: known from Senegal, Casamance, Niger, Volta, Chad basin and certain coastal rivers in Guinéa-Bissau, Togo and Benin (Ref. 2938, 7095, 81281). Also in the Nile and Lake Mobutu Sese Seko (Lake Albert) (Ref. 2938, 7095, 28714).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 84.0 cm SL hane/ej könsbestämd; (Ref. 7095); publicerad maxvikt: 2.5 kg (Ref. 3799)
Mjukstrålar i ryggfenan (totalt) : 20 - 23; Mjukstrålar i analfenan: 23 - 26. Diagnosis: 59-77 lateral line scales (Ref. 28714, 81281). Body depth 1.6-1.9 times and head length 3.3-4.3 times in SL; caudal peduncle length 0.6-0.8 times its depth; short snout, 0.9-1.5 times eye diameter; eye diameter 3.9-6 times in head length; adipose-fin base 1.4-2 times longer than distance separating it from rayed dorsal fin; pointed pectoral fins, shorter than head (0.6-0.85 times head length) and as long as pelvic fins; cycloid scales; scale formula 17.5-18.5/59-71/18.5-19.5; 13.5-15.5 scales between lateral line and pelvic-fin base; 20-23 dorsal fin rays; 23-26 anal fin rays (Ref. 2938, 81281).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Occurs in open water and vegetation beds of lakes and flowing water; ingests mud containing benthic and sedimented algae; spawns in the perennial wetland at high water (in the Sudd in South Sudan) (Ref. 28714).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Gosse, J.-P., 1990. Citharinidae. p. 261-268. 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. 2938)
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 = 0.5195 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.01413 (0.00668 - 0.02988), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
2.2 ±0.13 se; based on food items. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (51 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
|
Näringsämnen (Ref. 124155) |
Calcium = 67.1 [28.4, 160.5] mg/100g; Iron = 1.39 [0.69, 3.27] mg/100g; Protein = 18.1 [16.0, 20.3] %; Omega3 = 0.299 [0.112, 0.820] g/100g; Selenium = 104 [42, 243] μg/100g; VitaminA = 12 [3, 39] μg/100g; Zinc = 1.39 [0.93, 2.15] mg/100g (wet weight); |