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Chrysichthys nigrodigitatus in Sierra Leone
Bagrid catfish

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Chrysichthys nigrodigitatus   (Lacepède, 1803)
Family:	Claroteidae (Claroteid catfishes) , subfamily: Claroteinae			picture (Chnig_ug.jpg) by Hippocampus-Bildarchiv
Order:	Siluriformes  (catfish)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Bagrid catfish
Max. size:	65.0 cm SL (male/unsexed; Ref. 3236)
Environment:	demersal; potamodromous ; depth range - 3 m
Climate:	tropical; 22 - 28°C; 15°N - 13°S
Global Importance:	fisheries: minor commercial; aquaculture: commercial; aquarium: public aquariums
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (K=0.12-0.53)
Distribution:	Africa: Senegal to Cabinda, Angola (Ref. 3236). Reported from Mauritania (Ref. 55783). Also records from lower Congo River (Ref. 12818).
Diagnosis:	Description: post-cleithral process well developed (Ref. 75075).
Biology:	Occurs in shallow waters of lakes (less than 4 m), over mud and fine sand bottom. Omnivorous, feeds on seeds, insects, bivalves and detritus (Ref. 13851). Feeding becomes specialized with age and size, larger fish may feed on decapods and fish (Ref. 27935)
Threatened:	Data deficient, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Risch, L. and E.J. Vreven. 2007. (Ref. 74659)
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Sierra Leone country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:
Salinity:	freshwater
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Known from Rokel, Jong and Sewa rivers. Also Ref. 3236.
Country Information:	www.cia.gov/cia/publications/factbook/geos/sl.html
Occurrences:	Occurrences    Point map
Main Ref:	Paugy, D., K. Traoré and P.S. Diouf, 1994
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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 | Bio-Quiz | 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 | Scirus | Public aquariums | Tree of Life | Zoological Record
	Note: use the Back button of your browser to return to FishBase.
	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