HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSculpinsRosylip sculpin Rosylip sculpin (Ascelichthys rhodorus) Scientific name: Ascelichthys rhodorus Jordan & Gilbert, 1880 The Rosylip sculpin (Ascelichthys rhodorus) is a marine fish of the family Cottidae. Native range: Eastern Pacific, Sitka, Alaska to San Mateo, central California, USA. BiologyDorsal spines (total): 7 - 10; Dorsal soft rays (total): 17-20; Anal spines: 0; Anal soft rays: 13 - 16. Caudal well rounded.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAscelichthys rhodorusFamilyCottidae (Sculpins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentMarine; demersalClimateTemperateDistributionEastern Pacific: Sitka, Alaska to San Mateo, central California, 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