HomeFish encyclopediaRay-finned fishesSmeltsBarreleyes or spookfishesWinged spookfish Winged spookfish (Dolichopteryx parini) Scientific name: Dolichopteryx parini Kobyliansky & Fedorov, 2001 The Winged spookfish (Dolichopteryx parini) is a marine fish of the family Opisthoproctidae. Native range: North Pacific, southern Bering Sea to Honshu, Japan, the Sea of Okhotsk and southern British Columbia, Canada. BiologyDorsal spines: 0; Dorsal soft rays: 11-13; Anal spines: 0; Anal soft rays: 10 - 11; Vertebrae: 46 - 47. Eyes pouchlike; adipose fin present.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDolichopteryx pariniFamilyOpisthoproctidae (Barreleyes or spookfishes)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length21.7Depth range200–2000 m (656–6562 ft)EnvironmentMarine; bathypelagic; depth range 200 - 2000 mClimateDeep-waterDistributionNorth Pacific: southern Bering Sea to Honshu, Japan, the Sea of Okhotsk and southern British Columbia, Canada.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