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

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

; süßwasser pelagisch; pH range: 6.0 - 7.5; dH range: 6 - 20; potamodrom (Ref. 51243). Tropical; 22°C - 28°C (Ref. 12468)

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Africa: known from the Senegal to the Niger River in western Africa (Ref. 2880, 81279). Also found in Cross (Ref. 80290, 81279) and Wouri Rivers in Cameroon (Ref. 2880, 80290).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 6.9 cm TL Männchen/unbestimmt; (Ref. 2880)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Afterflossenstacheln: 0; Afterflossenweichstrahlen: 16 - 20. Diagnosis: lateral line complete (Ref. 80290, 81279) or incomplete (Ref. 2880, 81279). 9-30 pored scales on lateral line (Ref. 81279). 4.5 scales above lateral line; 13-17 anal fin branched rays (Ref. 80290, 81279). 24-30 (Ref. 81279) or 24-27 (Ref. 80290) scales in longitudinal series. 13-17 (Ref. 2880, 81279) or 14-17 (Ref. 80290) gill rakers on lower limb of first gill arch.

Group of melanophores above base of anal fin more pronounced than that observed for Micralestes species (Ref. 2880).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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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 Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 20 June 2019

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 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01148 (0.00528 - 0.02495), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.3 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).

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