HomeFish encyclopediaRay-finned fishesPerch-like fishWrymouthsDwarf wrymouth Dwarf wrymouth (Cryptacanthodes aleutensis) Scientific name: Cryptacanthodes aleutensis Gilbert, 1896 The Dwarf wrymouth (Cryptacanthodes aleutensis) is a marine fish of the family Cryptacanthodidae. Native range: Eastern Pacific, southeast Bering Sea to Eureka, northern California, USA. BiologyDorsal spines (total): 60 - 69; Dorsal soft rays (total): 0; Anal spines: 3; Anal soft rays: 45 - 49. Caudal rounded.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCryptacanthodes aleutensisFamilyCryptacanthodidae (Wrymouths)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range46–350 m (151–1148 ft)EnvironmentMarine; demersal; depth range 46 - 350 mClimateTemperateDistributionEastern Pacific: southeast Bering Sea to Eureka, northern California, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026