Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; flodvandrande (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.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.3 cm SL hane/ej könsbestämd; (Ref. 2940); publicerad maxvikt: 3.00 g (Ref. 3799)
Mjukstrålar i ryggfenan (totalt): 11; Mjukstrålar i analfenan: 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).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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. 120744)
CITES (Ref. 118484)
Not Evaluated
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Ytterligare information
PopulärnamnsynonymerMetabolikPredatorerEkotoxikologiReproduktionKönsmognadLekSpawning aggregationFecundityÄggEgg development
Age/SizeTillväxtLength-weightLength-lengthLength-frequenciesMorfometriMorfologiLarverLarvdynamikRekryteringAbundans
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikAllelfrekvenserÄrftlighetSjukdomarBehandlingMass conversion
MedarbetareBilderStamps, Coins Misc.LjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00482 - 0.02174), b=3.01 (2.84 - 3.18), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.0 ±0.3 se; Based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .