HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsFatheadsSmoothcheek sculpin Smoothcheek sculpin (Eurymen gyrinus) Scientific name: Eurymen gyrinus Gilbert & Burke, 1912 The Smoothcheek sculpin (Eurymen gyrinus) is a marine fish of the family Psychrolutidae. Native range: North Pacific, Japan to Bering Sea and to Kodiak Island, Alaska. BiologyDorsal spines (total): 8; Dorsal soft rays (total): 19-23; Anal spines: 0; Anal soft rays: 15 - 18. Some laminate cirri present around lower jaw; no preopercular spines; branchiostegal membranes fused to isthmus with a narrow fold over isthmus.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEurymen gyrinusFamilyPsychrolutidae (Fatheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length39.0Depth range14–400 m (46–1312 ft)EnvironmentMarine; demersal; depth range 14 - 400 m, usually 50 - 80 mClimateTemperateDistributionNorth Pacific: Japan to Bering Sea and to Kodiak Island, Alaska.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries:ResilienceLow, minimum population doubling time 4.5 - 14 years (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