Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten pelagiska; flodvandrande (Ref. 51243). Tropical; 22°C - 27°C (Ref. 12468)
Africa: basins of the Volta, Niger (Bénoué), Senegal, Gambia, Tominé (Corubal) and Casamance (Ref. 2880, 81279). Also reported from the Mono (Ref. 28663) and Géba (Ref. 13331) Rivers, and from the Niger delta (Ref. 88941).
Length at first maturity / Size / Vikt / Age
Maturity: Lm 6.5  range ? - ? cm
Max length : 12.0 cm SL hane/ej könsbestämd; (Ref. 31256); publicerad maxvikt: 10.00 g (Ref. 3799)
Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 16 - 20. Diagnosis: parietal fontanel always present, also in adults, open; equal sized jaws; 5.5 scales above lateral line; 26-31 lateral line scales; 13-17 anal fin branched rays; 6/8 premaxillary teeth; 13-17 gill rakers on lower limb of first gill arch; gill rakers short (Ref. 2880, 81279).
Affinities: B. nurse, B. longipinnis and B. luteus.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Paugy, D., 1990. Characidae. p. 195-236. 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 et O.R.S.T.O.M., Paris, 384 p. (Ref. 2880)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
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=0.00759 (0.00439 - 0.01310), b=2.89 (2.74 - 3.04), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.0 ±0.3 se; based on diet studies.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=1.20).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).