HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsLongfin grenadier Longfin grenadier (Coryphaenoides longifilis) Scientific name: Coryphaenoides longifilis G?nther, 1877 The Longfin grenadier (Coryphaenoides longifilis) is a marine fish of the family Macrouridae. Native range: North Pacific, southern Japan to Bering Sea. Species factsScientific nameCoryphaenoides longifilisFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length110Depth range550–3000 m (1804–9843 ft)EnvironmentMarine; bathydemersal; non-migratory; depth range 550 - 3000 m, usually 800 - 1500 mClimateDeep-waterDistributionNorth Pacific: southern Japan to Bering Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceVery Low, minimum population doubling time more than 14 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