Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
Africa: widely distributed from the Cross River up to the Chiloango basin, including the Mungo, Wouri, Sanaga, Nyong, Kribi, Ntem, Ogowé and Nyanga; also known from the Dja (middle Congo River basin) and from Tibesti (Chad)(Ref. 81639).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 43.5 cm TL hane/ej könsbestämd; (Ref. 2801)
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 10 - 13; Mjukstrålar i analfenan: 8 - 9. Diagnosis: mouth inferior (Ref. 81639). Lips normally well developed, lower lip continuous (Ref. 81282, 81639). Geographical variations in mouth form: soft or “rubbery” versus keratinised (Ref. 2940, 81282). Two pairs of well-developed barbels; barbels long, posterior barbel reaching to or beyond posterior margin of eye (Ref. 81639). Scale formula 4.5/26-30/4.5 (Ref. 2940, 81282) or 4.5-5.5/26-33/3.5-4.5/2-3 (Ref. 81639). 2-3 (Ref. 81639) or 3 (Ref. 2940, 81282) scales between lateral line and pelvic-fin base. 12 scales around caudal peduncle (Ref. 2940, 81282, 81639). 8-9 (Ref. 2940, 81282) or 8-10 (Ref. 81639) dorsal fin branched rays. Last simple dorsal ray ossified and as long as or shorter than head in specimens over 150 mm SL (Ref. 2940, 81282) or measuring 0.67x HL (Ref. 81639).
Body shape (shape guide): fusiform / normal.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Lévêque, C. and J. Daget, 1984. Cyprinidae. p. 217-342. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 2801)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00430 - 0.02123), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low to moderate vulnerability (34 of 100).
🛈