HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsRoughnose grenadier Roughnose grenadier (Trachyrincus murrayi) Scientific name: Trachyrincus murrayi G?nther, 1887 The Roughnose grenadier (Trachyrincus murrayi) is a marine fish of the family Macrouridae. Native range: Northeast Atlantic, Iceland. Northwest Atlantic: Canada. Southwest Pacific: east of New Zealand. BiologyEpibenthic-pelagic; also benthopelagic. Feeds on crustaceans. Max. length (Andrey Dolgov, pers. comm., 2003).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrachyrincus murrayiFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length37.0Depth range0–1630 m (0–5348 ft)EnvironmentMarine; benthopelagic; depth range 0 - 1630 mClimateTemperateDistributionNortheast Atlantic: Iceland. Northwest Atlantic: Canada. Southwest Pacific: east of New Zealand.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