HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsBathypelagic rattail Bathypelagic rattail (Mesobius antipodum) Scientific name: Mesobius antipodum Hubbs & Iwamoto, 1977 The Bathypelagic rattail (Mesobius antipodum) is a marine fish of the family Macrouridae. Native range: Indo-West Pacific, eastern Indian Ocean, Madagascar Plateau, southern Australia, and New Zealand. Southeast Atlantic: off the south coast of South Africa. BiologyDorsal spines (total): 2. Swarthy to dark bluish in color, greyish brown on tail.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMesobius antipodumFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length66.0Depth range846–1300 m (2776–4265 ft)EnvironmentMarine; bathypelagic; depth range 846 - 1300 mClimateDeep-waterDistributionIndo-West Pacific: eastern Indian Ocean, Madagascar Plateau, southern Australia, and New Zealand. Southeast Atlantic: off the south coast of South Africa.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