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  • Clarias pachynema
  • Clarias pachynema
  • Clarias pachynema
Jump to next section Cat-eLog Data Sheet
Scientific Name Clarias pachynema  Boulenger, 1903
Common Name
Type Locality Ja River, southern Cameroon.
Synonym(s) Clarias esamesae, Clarias oxycephalus
Pronunciation klar ee ass
Etymology Clarias: From the Greek chlaros, meaning lively; in reference to the ability of the fish to live for long periods out of water. 
Jump to next section Species Information
Size 320mm or 12.6" SL. Find near, nearer or same sized spp.
Identification Clarias species are characterized by having an elongated body; a soft rayed dorsal fin extending to, or nearly to, the caudal fin base; a soft rayed anal fin extending from just behind the anus to the caudal fin base; pectoral fins each with a serrated anterior bony spine; head depressed, covered largely by firmly sutured, surface sculptured bony plates forming a protective helmet; four pairs of flagellate barbels (nasals, maxillaries, inner and outer mandibulars); air breathing organs derived from the 2nd and 4th epibranchials within a superbranchial chamber.

Head pointed in dorsal outline; snout short; eyes dorsally located. Frontal fontanelle long and narrow (`knife-shaped'); occipital process long and oval-shaped. The `dermosphenotic' and supraorbital bones joined in specimens over 80 mm SL. Tooth plates small. gill rakers long, slender and distantly set. Suprabranchial organ well developed. Openings of the secondary sensory canals regularly arranged on flanks.
Sexing The genital papilla, which is to the right of the anus as you look at the fish with its head to the left, is elongated and pointed in males while it is round and relatively larger (and larger than the anus) in females. In ventral view especially, females are much broader in the body than males of equal age and rearing practices.
General Remarks Fishbase lists 356 mm TL.
Jump to next section Habitat Information
Distribution Africa: coastal rivers of south Cameroon (up to the Sanaga river); in the Ogowe system in Gabon and Middle Congo system.
African Waters, Congo, Middle Congo (click on these areas to find other species found there)
African Waters, Gabon Waters, Ogowe (click on these areas to find other species found there)

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IUCN Red List Status Least Concern
Jump to next section Husbandry Information
Suggested Tankmates Large Cyprinids (Silver Sharks, Tinfoil or Spanner Barbs for example) or Central American Cichlids.
Breeding Unreported.
Breeding Reports There is no breeding report.
Jump to next section Further Information
Reference Annals and Magazine of Natural History (Series 7) v. 12 (no. 70) (art. 42), pp 438.
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Last Update 2019 Sep 29 02:43 (species record created: 2003 Oct 08 00:00)