HomeFish encyclopediaSharks and RaysGround sharksCat sharksSmalldorsal cat shark Smalldorsal cat shark (Apristurus micropterygeus) Scientific name: Apristurus micropterygeus Meng, Chu & Li, 1986 The Smalldorsal cat shark (Apristurus micropterygeus) is a marine fish of the family Scyliorhinidae. Native range: Northwest Pacific, South China Sea. Presence in the Western Central Pacific is uncertain. Species factsScientific nameApristurus micropterygeusFamilyScyliorhinidae (Cat sharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length37.2Depth range913 m (2995 ft)EnvironmentMarine; bathydemersal; depth range ? - 913 mClimateDeep-waterDistributionNorthwest Pacific: South China Sea. Presence in the Western Central Pacific is uncertain.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceVery Low, minimum population doubling time more than 14 years (Fec assumed to be SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026