Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Alestidae (African tetras)
Etymology: Alestes: Greek, alestes, -oy = miller (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; pelagic; pH range: 6.0 - 6.5; dH range: 4 - 18; potamodromous (Ref. 51243). Tropical; 24°C - 27°C (Ref. 13371), preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: Chad, Niger, Volta, Gambia, Senegal (Ref. 2880, 81279). Outside West Africa this species is found in the Nile, Lake Mobutu Sese Seko [=Lake Albert] and Omo-Lake Turkana system (Ref. 2880). Also known from the White Nile, Murchinson Nile and Blue Nile (Ref. 5331).

Length at first maturity / Size / Weight / Age

Maturity: L_m ?, range 22 - ? cm
Max length : 55.0 cm TL male/unsexed; (Ref. 2880); max. published weight: 600.00 g (Ref. 3799); max. reported age: 7 years (Ref. 2758)

Short description Morphology | Morphometrics

Anal spines: 0; Anal soft rays: 21 - 26; Vertebrae: 45 - 48. Diagnosis: at most 27 gill rakers on lower limb of first gill arch (18-27); 3 unbranched and 18-23 branched anal-fin rays; 43-51 lateral line scales; dorsal-fin origin distinctly behind level of pelvic-fin insertions (Ref. 2880, 81279).

Two subspecies: Alestes dentex dentex in the Nile and Alestes dentex sethente (Valenciennes, 1849) in Sudanian basins of West Africa. Omnivorous, stomachs examined contained seeds, zooplankton, insects or fish fry (Ref. 28714).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Up to 300 eggs are scattered on the bottom. Larvae hatch after about 6 days.

Main reference Upload your references | References | Coordinator | Collaborators

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. 115185)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: commercial

FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
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Ecology
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Common names
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Eggs
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Age/Size
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Alestes dentex (Linnaeus, 1758)