HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSnailfishesLongnose snailfish Longnose snailfish (Rhinoliparis barbulifer) Scientific name: Rhinoliparis barbulifer Gilbert, 1896 The Longnose snailfish (Rhinoliparis barbulifer) is a marine fish of the family Liparidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 63-65; Anal spines: 0; Anal soft rays: 58; Vertebrae: 68. Pectoral fin deeply notched; caudal fin very slender.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRhinoliparis barbuliferFamilyLiparidae (Snailfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length8.8Depth range28–2189 m (92–7182 ft)EnvironmentMarine; bathydemersal; depth range 28 - 2189 mClimateDeep-waterDistributionNorth Pacific: Sea of Okhotsk, Pacific Ocean off northern Honshu and Hokkaido to Kuril Islands and southeastern Kamchatka, Commander Islands, eastern Aleutian Islands, and southern California, USA.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