HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSea ravens or sailfin sculpinsCrested sculpin Crested sculpin (Blepsias bilobus) Scientific name: Blepsias bilobus Cuvier, 1829 The Crested sculpin (Blepsias bilobus) is a marine fish of the family Hemitripteridae. Native range: North Pacific, northern Sea of Japan to the Bering Sea and to northern British Columbia, Canada; more common in the northwestern Pacific. BiologyDorsal spines (total): 8 - 9; Dorsal soft rays (total): 21-22; Anal spines: 0; Anal soft rays: 18 - 20. Caudal fin rounded. Pelvic fins small.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBlepsias bilobusFamilyHemitripteridae (Sea ravens or sailfin sculpins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Depth range0–250 m (0–820 ft)EnvironmentMarine; demersal; depth range 0 - 250 mClimateTemperateDistributionNorth Pacific: northern Sea of Japan to the Bering Sea and to northern British Columbia, Canada; more common in the northwestern Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yes SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026