Heterobranchus bidorsalis Geoffroy Saint-Hilaire, 1809

African catfish

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

Classification	Actinopterygii \| Siluriformes \| Clariidae
Synonyms	Heterobranchus geoffroyi, Heterobranchus intermedius, Heterobranchus senegalensis, ... more
Common names	Poisson-chat africain, Pez-gato africano, Catfish, ... more

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Image of Heterobranchus bidorsalis (African catfish)

Picture by Rosal, R.E.

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Main reference

Teugels, G.G., B. Denayer and M. Legendre. 1990. (Ref. 270)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 150 cm TL male/unsexed; (Ref. 3820); max. published weight: 30.0 kg (Ref. 3799)

Environment

Demersal; freshwater

Climate / Range

Tropical; 22°C - 28°C (Ref. 12468); 35°N - 4°N

Africa: Nile. Africa: Chad basin, Niger, Upper Volta, Guinea and Senegal. Also known from the Gambia River (Ref. 7357).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 40 - 46; Anal soft rays: 49 - 58; Vertebrae: 62 - 63. Head oval-shaped to rectangular dorsally; snout broadly rounded; eyes rather laterally placed. Frontal fontanelle long and narrow; occipital fontanelle relatively long and oval shaped. `Postorbital' bones completely united. Suprabranchial organ well developed. Pectoral spine smooth. Openings of secondary sensory canals with regular geometric pattern. Body and fins occasionally with irregularly placed spots.


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

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High to very high vulnerability (72 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Sampang, Arlene G.

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Page last modified by : elaxamana, 15 July 2009

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