HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsKuronuma's whiptail Kuronuma's whiptail (Spicomacrurus kuronumai) Scientific name: Spicomacrurus kuronumai Kamohara, 1938 The Kuronuma's whiptail (Spicomacrurus kuronumai) is a marine fish of the family Macrouridae. Native range: Northwest Pacific, southern Japan to the East China Sea. BiologyA benthic species found on the continental slope.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSpicomacrurus kuronumaiFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Depth range350–500 m (1148–1640 ft)EnvironmentMarine; benthopelagic; depth range 350 - 500 mClimateSubtropicalDistributionNorthwest Pacific: southern Japan to the East China Sea.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