HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSnailfishesBlack seasnail Black seasnail (Paraliparis bathybius) Scientific name: Paraliparis bathybius Collett, 1879 The Black seasnail (Paraliparis bathybius) is a marine fish of the family Liparidae. BiologyOccurs in deep, cold water. Maximum depth reported at 4009 m. Epibenthic. Feeds on pelagic amphipods, benthic gastropods, and mysids.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParaliparis bathybiusFamilyLiparidae (Snailfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length25.3Depth range20–4009 m (66–13153 ft)EnvironmentMarine; bathydemersal; depth range 20 - 4009 m, usually 1000 - 1850 mClimateDeep-waterDistributionArctic to Northeast Atlantic: Norwegian Sea and Greenland; also Faroe Trough, north of Faroe Islands, east of Iceland, south of Jan Mayen Island and west of Bear Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026