HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfin breams, Whiptail breamsJapanese whiptail Japanese whiptail (Pentapodus nagasakiensis) Scientific name: Pentapodus nagasakiensis Tanaka, 1915 The Japanese whiptail (Pentapodus nagasakiensis) is a marine fish of the family Nemipteridae. Native range: Western Pacific, southern Japan, South China Sea, Indonesia (Lombok) and northwestern Australia. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Head scales reaching forward to between level of anterior margin of eyes and posterior nostrils. Suborbital naked. Lower limb of preopercle naked. Pelvic fins moderately long, reaching to or almost to level of anus. Lobes of caudal fin pointed, more or less equal in length. Axillary scale present. Color: Upper half of body yellowish, lower half whitish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePentapodus nagasakiensisFamilyNemipteridae (Threadfin breams, Whiptail breams)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length10.0Depth range40–100 m (131–328 ft)EnvironmentMarine; reef-associated; depth range 40 - 100 mClimateTropicalDistributionWestern Pacific: southern Japan, South China Sea, Indonesia (Lombok) and northwestern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceHigh, minimum population doubling time less than 15 months (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