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> Characiformes (Characins) > Alestidae (African tetras)
More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser pelagisch. Tropical

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Africa: middle and upper Congo River basin in Cameroon, Republic of Congo and Democratic Republic of the Congo (Ref. 42019). Also reported from the Chiloango River basin (Ref. 41591) but Lower Guinea presence unconfirmed in Ref. 80290.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 14.0 cm TL Männchen/unbestimmt; (Ref. 1877)

Occurs in rivers and inshore areas of lakes; sand, filamentous algae, vegetal debris, Povilla, insect remnants have been found in the stomach of this species; juveniles feed on cladocerans and small insects (Ref. 41580).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Paugy, D., 1984. Characidae. p. 140-183. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 5331)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

nicht bedroht (LC) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00496 - 0.02540), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Brachyalestes bimaculatus (Boulenger, 1899)