All Fishes ⇒ CLARIIDAE ⇒ Clarias  |  | 

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    Scientific NameClarias pseudonieuhofii    Sudarto, Teugels & Pouyaud, 2004
    Common Name
    Type LocalitySemitau, near the Danau Sentarum Reserve, upstream Kapuas River, on road between Sintang and Putussibau, West Kalimantan, Borneo, Indonesia.
    Synonym(s)
    Pronunciationklar ee ass
    EtymologyClarias: From the Greek chlaros, meaning lively; in reference to the ability of the fish to live for long periods out of water. 
    Hop to next section Species Information
    IdentificationClarias 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.

    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.
    SexingThe 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.

    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.
    Hop to next section Habitat Information
    DistributionAfrica & Asia
    Pacific, Greater Sunda Island Rivers, Borneo Waters, Western Borneo Waters, Kapuas (click on these areas to find other species found there)
    Pacific, Greater Sunda Island Rivers, Borneo Waters, East Borneo Waters, Mahakam (click on these areas to find other species found there)

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    IUCN Red List Category
    Not Evaluated
    Hop to next section Husbandry Information
    Suggested TankmatesLarge cyprinids (silver sharks, tinfoil or spanner barbs for example) or Central American cichlids.
    Breeding ReportsThere is no breeding report.
    Hop to next section Further Information
    ReferenceZoological Studies v. 43 (no. 1), pp 15, Fig. 3.
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    ARN ref:1.6.8.9033
    Last UpdateThu Jan 01, 1970 1:00 am (Species record created: Thu Jan 01, 1970 1:00 am)