HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSculpinsScaly breasted sculpin Scaly breasted sculpin (Triglops xenostethus) Scientific name: Triglops xenostethus Gilbert, 1896 The Scaly breasted sculpin (Triglops xenostethus) is a marine fish of the family Cottidae. Native range: North Pacific, known only from the Aleutian Islands. BiologyFound on bottoms that range from rock and gravel to broken shell and fine sand.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTriglops xenostethusFamilyCottidae (Sculpins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length9.7Depth range50–178 m (164–584 ft)EnvironmentMarine; demersal; depth range 50 - 178 mClimateBorealDistributionNorth Pacific: known only from the Aleutian Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, 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