HomeFish encyclopediaSharks and RaysGround sharksCat sharksLongfin catshark Longfin catshark (Apristurus herklotsi) Scientific name: Apristurus herklotsi Fowler, 1934 The Longfin catshark (Apristurus herklotsi) is a marine fish of the family Scyliorhinidae. Native range: Western Pacific, Japan, the Philippines, East and South China seas, and the Kyushu-Palau Ridge. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Brownish without conspicuous markings.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApristurus herklotsiFamilyScyliorhinidae (Cat sharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length48.5Depth range533–864 m (1749–2835 ft)EnvironmentMarine; bathydemersal; depth range 533 - 864 mClimateDeep-waterDistributionWestern Pacific: Japan, the Philippines, East and South China seas, and the Kyushu-Palau Ridge.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: minor commercialResilienceVery 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