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Siluriformes (Catfishes) >
Siluridae (Sheatfishes)
Etymology: Ompok: It is a bad reproduction of a Malayam fish name as limpok/ompok (Ref. 45335); binotatus: Named for the 2 dark spots at the humeral region and at the end of the caudal peduncle.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: Kapuas River drainage in western Borneo, Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.1 cm SL male/unsexed; (Ref. 42932)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 4; Anal soft rays: 53 - 58; Vertebrae: 46 - 51. Head width 12.1-14.0% SL; eye diameter 17.2-21.6% HL; mandibular barbels reaching to anterior half of anal fin; 12-14 gill rakers on first gill arch; ventral orbital margin not completely visible when head is viewed ventrally; brown body with a distinct dark spot at base of caudal peduncle; males with 9-11 serrations on posterior edge of pectoral spine (Ref. 42932).
Body shape (shape guide): elongated.
Found in small streams and swamp forest (Ref. 56749). Feeds on fry and small fish, and aquatic insects (Ref. 56749).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ng, H.H., 2002. Ompok binotatus and Ompok pluriradiatus, two new species of silurid catfish from Borneo (Teleostei: Siluriformes). Ichthyol. Explor. Freshwat. 13(1):25-31. (Ref. 42932)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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