HomeFish encyclopediaRay-finned fishesPerch-like fishPricklebacksLesser prickleback Lesser prickleback (Alectridium aurantiacum) Scientific name: Alectridium aurantiacum Gilbert & Burke, 1912 The Lesser prickleback (Alectridium aurantiacum) is a marine fish of the family Stichaeidae. Native range: North Pacific, Commander and Aleutian islands to northern Gulf of Alaska and northern Kuril Islands. BiologyInhabits lower intertidal and subtidal zones to depths of 56 meters.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAlectridium aurantiacumFamilyStichaeidae (Pricklebacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.3Depth range0–56 m (0–184 ft)EnvironmentMarine; benthopelagic; depth range 0 - 56 mClimatePolarDistributionNorth Pacific: Commander and Aleutian islands to northern Gulf of Alaska and northern Kuril Islands.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