HomeFish encyclopediaSharks and RaysGround sharksCat sharksBlack roughscale catshark Black roughscale catshark (Apristurus melanoasper) Scientific name: Apristurus melanoasper Igl?sias, Nakaya & Stehmann, 2004 The Black roughscale catshark (Apristurus melanoasper) is a marine fish of the family Scyliorhinidae. Native range: Western North Atlantic, slope, off northern U.S. and northeast of North Atlantic (off France, Ireland and British Isles). BiologyFound generally at depths of more than 1000 meters.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApristurus melanoasperFamilyScyliorhinidae (Cat sharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length76.1Depth range512–1520 m (1680–4987 ft)EnvironmentMarine; bathypelagic; depth range 512 - 1520 mClimateDeep-waterDistributionWestern North Atlantic: slope, off northern U.S. and northeast of North Atlantic (off France, Ireland and British Isles).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