HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsNarrowsnout grenadier Narrowsnout grenadier (Coryphaenoides bucephalus) Scientific name: Coryphaenoides bucephalus Garman, 1899 The Narrowsnout grenadier (Coryphaenoides bucephalus) is a marine fish of the family Macrouridae. Native range: Eastern Pacific, Panama to Peru, including Cocos, Malpelo and the Galapagos Islands. Species factsScientific nameCoryphaenoides bucephalusFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length59.0Depth range1480–2880 m (4856–9449 ft)EnvironmentMarine; bathypelagic; depth range 1480 - 2880 mClimateDeep-waterDistributionEastern Pacific: Panama to Peru, including Cocos, Malpelo and the Galapagos Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 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