HomeFish encyclopediaRay-finned fishesCusk eelsCusk-eelsWhiptail cusk Whiptail cusk (Hypopleuron caninum) Scientific name: Hypopleuron caninum Smith & Radcliffe, 1913 The Whiptail cusk (Hypopleuron caninum) is a marine fish of the family Ophidiidae. Native range: Indo-West Pacific, Arabian Sea, Andaman Sea and the Philippines. BiologyJaws equal in length or lower jaw slightly protruding; no spines on opercle or subopercle; a canine tooth at the front of each upper jaw bone; median basibranchial tooth patch 1; branchiostegal rays 8; lateral line with small scales that overlie an inner series of larger scales that bear neuromasts; precaudal centra 22, parapophyses broad and inflated, inclosing the swim bladder.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHypopleuron caninumFamilyOphidiidae (Cusk-eels)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length57.0Depth range300–575 m (984–1886 ft)EnvironmentMarine; bathydemersal; depth range 300 - 575 mClimateDeep-waterDistributionIndo-West Pacific: Arabian Sea, Andaman Sea and the Philippines.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026