Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic. Tropical
Africa: only known from the Niandan River, an affluent of the upper Niger in Guinea (Ref. 81279).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 10.4 cm SL male/unsexed; (Ref. 2880)
Anal spines: 0; Anal soft rays: 15 - 16. Diagnosis: parietal fontanella absent in adults; snout short, comprised over three times in head length; dorsal-fin origin at same level as, or scarcely behind, pelvic-fin insertions; head narrow; adults medium-sized; black lateral band expanding over entire body length; sexual dimorphism affecting anal-fin shape, females with straight anal fin and males with curved anal fin; 8 premaxillary teeth; 4.5 scales above lateral line; 24-26 lateral line scales; 12-13 anal fin branched rays; 20-21 gill rakers in lower part of first branchial arch (Ref. 2880, 81279).
Body shape (shape guide): fusiform / normal.
Affinities: B. imberi, with red fins no black longitudinal stripe; B. nigricauda, with colored caudal fin margin.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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: Version 2025-1)
Threat to humans
Harmless
Human uses
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