HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsRoundhead grenadier Roundhead grenadier (Odontomacrurus murrayi) Scientific name: Odontomacrurus murrayi Norman, 1939 The Roundhead grenadier (Odontomacrurus murrayi) is a marine fish of the family Macrouridae. BiologyGeneral coloration is dark brown. Single row of teeth in the upper jaw.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOdontomacrurus murrayiFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length64.0Depth range0–2500 m (0–8202 ft)EnvironmentMarine; bathypelagic; depth range 0 - 2500 mClimateDeep-waterDistributionAtlantic, Indian and Pacific: Eastern Atlantic: Azores and Madeira south to Cape of Good Hope, South Africa. Indo-West Pacific: Africa to South China Sea, Australia and 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