HomeFish encyclopediaRay-finned fishesPerch-like fishWrymouthsWrymouth Wrymouth (Cryptacanthodes maculatus) Scientific name: Cryptacanthodes maculatus Storer, 1839 The Wrymouth (Cryptacanthodes maculatus) is a marine fish of the family Cryptacanthodidae. Native range: Western Atlantic, southern Labrador in Canada to New Jersey in USA. BiologyBurrows in soft muddy bottoms from shallow water to 110 m depth. Feeds mainly on benthic infauna found in and around its burrow system; its prey consisting of various amphipods, polychaetes, shrimp and small fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCryptacanthodes maculatusFamilyCryptacanthodidae (Wrymouths)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length97.0Depth range110 m (361 ft)EnvironmentMarine; demersal; depth range ? - 110 mClimateTemperateDistributionWestern Atlantic: southern Labrador in Canada to New Jersey in 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