HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsBighead grenadier Bighead grenadier (Coryphaenoides capito) Scientific name: Coryphaenoides capito Garman, 1899 The Bighead grenadier (Coryphaenoides capito) is a marine fish of the family Macrouridae. Native range: Eastern Pacific, Gulf of California to Peru. Species factsScientific nameCoryphaenoides capitoFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length32.4Depth range305–1000 m (1001–3281 ft)EnvironmentMarine; bathypelagic; depth range 305 - 1000 mClimateDeep-waterDistributionEastern Pacific: Gulf of California to Peru.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