HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSculpinsPlain sculpin Plain sculpin (Myoxocephalus jaok) Scientific name: Myoxocephalus jaok Cuvier, 1829 The Plain sculpin (Myoxocephalus jaok) is a marine fish of the family Cottidae. Native range: North Pacific, northern Sea of Japan to the Bering Sea and southeastern Alaska. BiologyFound in shallow waters, on sand and mud bottoms.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMyoxocephalus jaokFamilyCottidae (Sculpins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length74.0Depth range0–680 m (0–2231 ft)EnvironmentMarine; demersal; depth range 0 - 680 mClimateTemperateDistributionNorth Pacific: northern Sea of Japan to the Bering Sea and southeastern Alaska.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming Fec=10-100) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026