HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSculpinsSaddleback sculpin Saddleback sculpin (Oligocottus rimensis) Scientific name: Oligocottus rimensis Greeley, 1899 The Saddleback sculpin (Oligocottus rimensis) is a marine fish of the family Cottidae. Native range: Eastern Pacific, Kakul Narrows, southeastern Alaska to St. Nicholas Island and northern Baja California, Mexico. BiologyDorsal spines (total): 8 - 10; Dorsal soft rays (total): 16-19; Anal spines: 0; Anal soft rays: 13 - 15. Caudal fin barely rounded.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOligocottus rimensisFamilyCottidae (Sculpins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length6.4EnvironmentMarine; demersal; depth range 0 - ? mClimateSubtropicalDistributionEastern Pacific: Kakul Narrows, southeastern Alaska to St. Nicholas Island and northern Baja California, Mexico.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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