Chrysichthys nigrodigitatus (Lacepède, 1803)

Bagrid catfish

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

Classification	Actinopterygii \| Siluriformes \| Claroteidae \| Claroteinae
Synonyms	Pimelodus nigrodigitatus, Melanodactylus nigrodigitatus, Arius acutivelis, ... more
Common names	Catfish, Mâchoiron, Kor, ... more

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Main reference

Risch, L. and E.J. Vreven. 2007. (Ref. 74659)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 65.0 cm SL male/unsexed; (Ref. 3236)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; depth range 3 - ? m (Ref. 13851)

Climate / Range

Tropical; 22°C - 28°C (Ref. 12468); 15°N - 13°S

Africa: Senegal to Cabinda, Angola (Ref. 3236). Reported from Mauritania (Ref. 55783). Also records from lower Congo River (Ref. 12818).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Description: post-cleithral process well developed (Ref. 75075).

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).


IUCN Red List Status (Ref. 57073)	Threat to humans
Data deficient (DD)	Harmless

Human uses
Fisheries: minor commercial; aquaculture: commercial; gamefish: yes; aquarium: public aquariums


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
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Identification keys \| Length-frequency wizard \| Life-history tool \| Point map

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Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.12-0.53)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (32 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Torres, Armi G.

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Page last modified by : elaxamana, 15 July 2009

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