Cat-eLog Right Arrow Clariidae Right Arrow Clarias

Down arrow Cat-eLog Data Sheet
Scientific Name Clarias insolitus  Ng, 2003
Common Name
Type Locality Small stream flowing into Sungai Rekut, tributary of Sungai Busang, about 1.5 kilometers upstream from the Project Barito Ulu base camp on Sungai Busang, Barito River drainage, Kalimantan Tengah, Borneo, Indonesia.
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. 
Down arrow Species Information
Size 140mm or 5.5" 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.

Hypertrophied sensory canal pores on the head and body easily visible to the naked eye; having a long and thin anterior fontanel (except for Clarias batrachus); having prominent serrations on the anterior edge of the pectoral spine (except for Clarias intermedius, Clarias meladerma, Clarias olivaceus and Clarias planiceps); lacking white spots on the body (except for Clarias olivaceus and Clarias planiceps).
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.
Down arrow Habitat Information
Distribution Asia: upper Barito River drainage in southern Borneo, Indonesia.
Pacific, Greater Sunda Island Rivers, Borneo Waters, Barito, Upper Barito (click on these areas to find other species found there)

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IUCN Red List Category Data Deficient, range map and more is available on the IUCN species page. Last assessed 2018.
Down arrow 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.
Down arrow Further Information
Reference Zootaxa No. 284, pp 2, Figs. 1, 2a.
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Last Update 2019 Sep 29 02:43 (species record created: 2006 Dec 25 00:36)