Issue
Differences with B. bynni occidentalis are: higher body, inferior lip reduced and without mental lobe and the number of scales. Compared to B. wurtzi the barbels are slightly longer, but many characteristics are similar.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 25.5 cm TL hane/ej könsbestämd; (Ref. 2801)
Mjukstrålar i ryggfenan (totalt) : 13; Mjukstrålar i analfenan: 8. Diagnosis: last simple ray partly ossified at base (no strong spine) and distinctly longer than head; lower lip poorly developed, not forming a mental lobe, sometimes rubber-lipped; 10 dorsal fin branched rays; scale formula 4.5/24/3.5; 2 scales between lateral line and pelvic-fin base; 12 scales around caudal peduncle (Ref. 2940, 81282).
Origin of type specimen vague.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Lévêque, C., 1990. Cyprinidae. p. 269-361. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres d'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. 2940)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00422 - 0.02065), b=3.01 (2.82 - 3.20), 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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).
