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Lates niloticus in Mauritania
Nile perch

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Lates niloticus   (Linnaeus, 1758)
Family:	Latidae (Lates perches)			picture (Lanil_u2.jpg) by Admassu, D.
Order:	Perciformes  (perch-likes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Nile perch
Max. size:	200 cm TL (male/unsexed; Ref. 58490); max. published weight: 200.0 kg (Ref. 3900)
Environment:	demersal; potamodromous ; depth range 10 - 60 m
Climate:	tropical; 27°N - 7°S
Global Importance:	fisheries: highly commercial; aquaculture: commercial
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (K=0.17-0.19; tm=2-3)
Distribution:	Africa: Widespread throughout the Ethiopian Region of Africa, occurring commonly in all major river basins including the Nile, Chad, Senegal, Volta and Congo. Present in the brackish waters of Lake Mariout, near Alexandria. Exists in Lakes Albert, Rudolph and Tana. Several countries report adverse ecological impact after introduction.
Diagnosis:	Dorsal spines (total): 7-8; Dorsal soft rays (total): 10-14. Caudal fin rounded (Ref. 4967). Pre-orbital and pre-opercular bones armed with spines; a large spine on the free edge of the operculum. Dark greyish-blue dorsally, greyish-silver on flank and ventrally (Ref. 34290).
Biology:	Inhabits channels, lakes and irrigation canals. Adults inhabit deep water, while juveniles are found in shallow water. Feeds on fish especially clupeids and Alestes (Ref. 13851); smaller fish also feed on larger crustaceans and insects. Juveniles are planktivorous (Ref. 28714). Threatened due to over harvesting (Ref. 58490). No length type given but assumed to be in TL
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	potential pest
Coordinator:
Main Ref:	Teugels, G.G., C. Lévêque, D. Paugy and K. Traoré. 1988. (Ref. 272)
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Mauritania country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:
Salinity:	freshwater, brackish
Importance:	commercial		Ref:  Mohamed Fall, K.O., 2005
Regulations:	no regulations		Ref:
Uses:	no uses
Country Information:	www.cia.gov/cia/publications/factbook/geos/mr.html
Occurrences:	Occurrences    Point map
Main Ref:	Mohamed Fall, K.O., 2005
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More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	Alien/Invasive species database | BiOSC Point Data | CISTI | Google | GOBASE | FIGIS | GenBank ( genome, nucleotide ) | PubMed | Recipes | Scirus | Public aquariums | Tree of Life | Zoological Record Other web sites |
	Note: use the Back button of your browser to return to FishBase.
	Checked:  Mohamed Fall, K.O.	Modified:  Torres, Armi G.	Entered:  Torres, Armi G.

	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