HomeFish encyclopediaSharks and RaysBramble, Sleeper and Dogfish sharksLantern sharksRasptooth dogfish Rasptooth dogfish (Miroscyllium sheikoi) Scientific name: Miroscyllium sheikoi Dolganov, 1986 The Rasptooth dogfish (Miroscyllium sheikoi) is a marine fish of the family Etmopteridae. Native range: Northwest Pacific, Kyushu-Palau Ridge. BiologyHolotype taken from a depth of 360 m. Ovoviviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMiroscyllium sheikoiFamilyEtmopteridae (Lantern sharks)OrderSqualiformes (Bramble, Sleeper and Dogfish sharks)ClassElasmobranchii (Sharks and Rays)Depth range360 m (1181 ft)EnvironmentMarine; bathypelagic; depth range 360 - 360 mClimateDeep-waterDistributionNorthwest Pacific: Kyushu-Palau Ridge.Conservation 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