HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSnailfishesSlimy snailfish Slimy snailfish (Liparis mucosus) Scientific name: Liparis mucosus Ayres, 1855 The Slimy snailfish (Liparis mucosus) is a marine fish of the family Liparidae. Native range: Northeast Pacific, Sitka, Alaska to southern British Columbia, Canada and to Baja California, Mexico. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 28-30; Anal spines: 0; Anal soft rays: 22 - 24. Dorsal fin with 2 parts, the first short, low and rounded, the second with longer rays that almost reach the caudal. Caudal narrow with rounded end. Ventral lobe of pectorals with thick exserted longer rays.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLiparis mucosusFamilyLiparidae (Snailfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Depth range15 m (49 ft)EnvironmentMarine; demersal; depth range ? - 15 mClimateSubtropicalDistributionNortheast Pacific: Sitka, Alaska to southern British Columbia, Canada and to Baja California, Mexico.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