Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch; potamodroom (Ref. 51243). Tropical
Africa: present in Upper Niger and known from the high basins of the Volta, Bandama, Agnébi and also in the Niger Delta in Nigeria (Ref. 81282). Also Ref. 2940.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 3.3 cm SL mannelijk / geslacht onbekend; (Ref. 2940); max. gepubliceerd gewicht: 3.00 g (Ref. 3799)
Dorsale zachte stralen (totaal) : 11; Anale zachte stralen: 8. Diagnosis: last simple dorsal-fin ray smooth on hind margin; scale formula 2.5/21-25/2.5; 1.5 scales between lateral line and pelvic-fin base; 8 scales around caudal peduncle; lateral-line scales distinctly deeper than other, particularly below dorsal fin; 8 branched dorsal fin rays; anterior barbel not reaching to anterior margin of eye; posterior barbel reaching to, or extending beyond, posterior half of eye; lateral line complete and slightly depressed below dorsal fin; maximum reported size 33 mm SL (Ref. 2940, 81282).
Affinities: B. pleuropholis from Chad and Congo basins (Ref. 2940). Maximum TL was recorded at 4.2 cm (Ref. 2801).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00502 - 0.02287), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
