HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSculpinsBrightbelly sculpin Brightbelly sculpin (Microcottus sellaris) Scientific name: Microcottus sellaris Gilbert, 1896 The Brightbelly sculpin (Microcottus sellaris) is a marine fish of the family Cottidae. Native range: North Pacific, off the Okhotsk coast of Hokkaido to the northern Sea of Japan and the Bering Sea. BiologyDorsal spines (total): 7 - 9; Dorsal soft rays (total): 12-14; Anal spines: 0; Anal soft rays: 10 - 12. Four preopercular spines, the uppermost curved upward. Supraocular cirrus simple. Pelvic fin united with belly by means of a wide dermal fold.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMicrocottus sellarisFamilyCottidae (Sculpins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Depth range0–60 m (0–197 ft)EnvironmentMarine; demersal; depth range 0 - 60 mClimateTemperateDistributionNorth Pacific: off the Okhotsk coast of Hokkaido to the northern Sea of Japan and the Bering Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries:ResilienceMedium, 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