HomeFish encyclopediaSharks and RaysBramble, Sleeper and Dogfish sharksSleeper sharksJapanese velvet dogfish Japanese velvet dogfish (Zameus ichiharai) Scientific name: Zameus ichiharai Yano & Tanaka, 1984 The Japanese velvet dogfish (Zameus ichiharai) is a marine fish of the family Somniosidae. Native range: Deep-water. BiologyNorthwest Pacific: Suruga Bay and adjacent waters of Japan. Countries | FAO areas | Ecosystems | Occurrences | IntroductionsSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameZameus ichiharaiFamilySomniosidae (Sleeper sharks)OrderSqualiformes (Bramble, Sleeper and Dogfish sharks)ClassElasmobranchii (Sharks and Rays)Depth range500–800 m (1640–2625 ft)EnvironmentMarine; bathypelagic; depth range 500 - 800 mClimateDeep-waterDistributionDeep-waterConservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 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