HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsPoachersAleutian alligatorfish Aleutian alligatorfish (Aspidophoroides bartoni) Scientific name: Aspidophoroides bartoni Gilbert, 1896 The Aleutian alligatorfish (Aspidophoroides bartoni) is a marine fish of the family Agonidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 5-6; Anal spines: 0; Anal soft rays: 4 - 6. Snout round, with a rostral plate on its anterior tip. A sharp nasal spine is present. Branchial membranes free from isthmus.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAspidophoroides bartoniFamilyAgonidae (Poachers)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length22.0Common length14.2Depth range0–500 m (0–1640 ft)EnvironmentMarine; demersal; depth range 0 - 500 m, usually 60 - 150 mClimateTemperateDistributionNorth Pacific: Arctic to the Sea of Okhotsk and northern Sea of Japan and to Amchitka Island in the Aleutian chain and North Albatross Bank, Kodiak Island, Alaska.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries:ResilienceMedium, 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