HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSculpinsNorthern sculpin Northern sculpin (Icelinus borealis) Scientific name: Icelinus borealis Gilbert, 1896 The Northern sculpin (Icelinus borealis) is a marine fish of the family Cottidae. Native range: Eastern Pacific, Bering Sea coast of Alaska to Puget Sound, Washington, USA. BiologyDorsal spines (total): 9 - 10; Dorsal soft rays (total): 15-17; Anal spines: 0; Anal soft rays: 12 - 14. Caudal fin well rounded; pelvic fins small, frequently curved. Color dark olive gray or brown on dorsal surface, lighter below; dark saddles, usually four, across body; fine dark brown bars on head and all fins except anal; black spots on the fringe of the dorsal fin dark in males.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameIcelinus borealisFamilyCottidae (Sculpins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length10.2Depth range9–310 m (30–1017 ft)EnvironmentMarine; demersal; depth range 9 - 310 mClimateTemperateDistributionEastern Pacific: Bering Sea coast of Alaska to Puget Sound, Washington, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 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