HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsNaked snout rattail Naked snout rattail (Haplomacrourus nudirostris) Scientific name: Haplomacrourus nudirostris Trunov, 1980 The Naked snout rattail (Haplomacrourus nudirostris) is a marine fish of the family Macrouridae. BiologyA benthic species found on the continental slope.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHaplomacrourus nudirostrisFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length57.5Depth range690–1590 m (2264–5217 ft)EnvironmentMarine; bathypelagic; depth range 690 - 1590 mClimateDeep-waterDistributionSouthern Atlantic, Indian and Pacific: Southeast Atlantic. Indian Ocean: off Natal, Walters Shoal, Mascarene Ridge, Broken Ridge, southeastern coast of Australia. Southwest Pacific: off New Zealand.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