HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsSawspine whiptail Sawspine whiptail (Nezumia spinosa) Scientific name: Nezumia spinosa Gilbert & Hubbs, 1916 The Sawspine whiptail (Nezumia spinosa) is a marine fish of the family Macrouridae. Native range: Indian Ocean, Natal, South Africa. Western Pacific: South China Sea and southern Japan. BiologyA benthic species found on the continental slope.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNezumia spinosaFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length28.0Depth range560–900 m (1837–2953 ft)EnvironmentMarine; bathydemersal; depth range 560 - 900 mClimateDeep-waterDistributionIndian Ocean: Natal, South Africa. Western Pacific: South China Sea and southern Japan.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