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Jump to next sectionCat-eLog > Siluridae > Ompok

Jump to next section Cat-eLog Data Sheet
Scientific Name Ompok siluroides  Lacepède, 1803     
Common Name(s) None
Type Locality Java
Synonym(s) Ompok krattensis, Wallago krattensis
Pronunciation Awm pok
Etymology The etymology of Ompok is unclear. It is believed to be a corruption of the Indonesian name for mid-sized silurid catfishes, limpok. 
Jump to next section Species Information
Size 450mm (17.7") SL. Find near, nearer or same sized spp.
Identification The catfish genus Ompok La Cepède, 1803, consists of medium-sized silurid fishes found in inland waters throughout South and Southeast Asia. The genus is traditionally diagnosed by the presence of a short dorsal fin with 4 rays, strongly forked caudal fin, subcutaneous eye that is set immediately posterior to the mouth rictus and two patches of palatal teeth (Weber & de Beaufort, 1913). Bornbusch (1995) showed that Ompok, as currently understood, is probably paraphyletic.

O. siluroides is often incorrectly identified as the Indian species, O. bimaculatus. O. siluroides is a Southeast Asian species which has a rounder head and a mottled brown colouration, while O. bimaculatus is silvery and has a sharper head.
Sexing Males are more slender and have strong serrations on the posterior edge of the pectoral spine (females lack these serrations).
Jump to next section Habitat Information
Distribution Java, Indonesia.
Greater Sunda Island Rivers, Java Waters (hover or click on these areas to show maps or find other species found there)
pH 6.4 - 7.4
Temperature 20.0-26.0°C or 68-78.8°F (Show others within this range)
Jump to next section Husbandry Information
Feeding Readily feeds on live/frozen foods and other prepared foods such as pellets. Will also eat small fishes/shrimps.
Furniture Provide plenty of hiding spaces in the form of driftwood or PVC pipes. Prefers an area of open water when active. Current preferred.
Compatibility A relatively peaceful species that is compatible with most fish of equal size or larger. Not safe with small fishes.
Breeding Not known in the aquarium. O. bimaculatus has been bred using hormone injections in India.
Jump to next section Further Information
References Histoire naturelle des poissons. v. 5
Registered Keepers (1) Dave Rinaldo.

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Breeding Reports None.
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Last Update 2010 Nov 08 11:13 (species record created: 2005 Apr 17 00:00)

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