Alestes dentex (Linnaeus, 1758)

Characin

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Characiformes \| Alestidae
Synonyms	Cyprinus dentex, Alestes dentex dentex, Myletes dentex, ... more
Common names	Nile robber, Sèlinthe, Mazari, ... more

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Main reference

Paugy, D. 1990. (Ref. 2880)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 55.0 cm TL male/unsexed; (Ref. 2880); max. published weight: 600 g (Ref. 3799); max. reported age: 7 years (Ref. 2758)

Environment

Pelagic; potamodromous (Ref. 51243); freshwater; pH range: 6.0 - 6.5; dH range: 4 - 18

Climate / Range

Tropical; 24°C - 27°C (Ref. 13371)

Africa: Chad, Niger, Volta, Gambia, Senegal, Nile, Lake Mobutu Sese Seko, Lake Omo, Lake Turkana. Also known from the White Nile, Murchinson Nile, and Blue Nile, (Ref. 5331).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Anal spines: 3; Anal soft rays: 18 - 23; Vertebrae: 45 - 48. Silvery color, back darker gray or bluish, ventral part whitish. Fins grayish or slightly tinted with yellow orange. Inferior lobe of caudal red. Well developed fontanel. See additional characters for A. baremoze for sexual dimorphism in Alestes species.

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).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (tmax=7; tm=2; K=0.43-.075)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (31 of 100)	Not marketed/unknown

Entered by Cruz, Tess

Modified by Sa-a, Pascualita

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Page last modified by : elaxamana, 15 July 2009

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