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Alestes dentex in Sudan
Characin

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Alestes dentex   (Linnaeus, 1758)
Family:	Alestidae (African tetras)			picture () by ( not available )
Order:	Characiformes  (characins)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Characin
Max. size:	55.0 cm TL (male/unsexed; Ref. 2880); max. published weight: 600 g (Ref. 3799); max. reported age: 7 years
Environment:	pelagic; potamodromous; pH range: 6 - 6.5; dH range: 4 - 18
Climate:	tropical; 24 - 27°C
Global Importance:	fisheries: commercial
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (tmax=7; tm=2; K=0.43-.075)
Distribution:	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).
Diagnosis:	Anal spines: 3-3; 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.
Biology:	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)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Paugy, D.. 1990. (Ref. 2880)
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Sudan country information
Common names:	Kawwara baladi, Alerio, Basongirino, Cien, Cin, Girfiga, Kawara baladi, Kodo		Ref:  Bailey, R.G., 1994
Status:	native		Ref:
Salinity:	freshwater
Abundance:	common (usually seen)		Ref:  Bailey, R.G., 1994
Uses:	no uses
Comments:	Occurs in the Ghazal and Jebel systems, White and Blue Nile and Nile to Lake Nubia. Appears to be the commonest species in the Upper Nile system, where in Sudd lagoons and lakes, it was the most abundant fish caught by gill nets (Ref. 28714). Also Ref. 5331.
Country Information:	www.cia.gov/cia/publications/factbook/geos/su.html
Occurrences:	Occurrences    Point map
Main Ref:	Bailey, R.G., 1994
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	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Identification keys | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | PubMed | Recipes | Scirus | Tree of Life | Zoological Record
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	Entered:  Sa-a, Pascualita

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07