HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsBluntnose grenadier Bluntnose grenadier (Nezumia longebarbata) Scientific name: Nezumia longebarbata Roule & Angel, 1933 The Bluntnose grenadier (Nezumia longebarbata) is a marine fish of the family Macrouridae. Native range: Atlantic Ocean, Madeira and Gulf of Mexico. BiologyBlunt nosed. Broad bands of small teeth in both jaws. Body medium brown with bluish tinge on lateral walls of the abdomen and blackish ventrally. Lips, branchiostegal membranes and fins blackish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNezumia longebarbataFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length40.5Depth range1440–1710 m (4724–5610 ft)EnvironmentMarine; bathypelagic; depth range 1440 - 1710 mClimateDeep-waterDistributionAtlantic Ocean: Madeira and Gulf of Mexico.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