HomeFish encyclopediaRay-finned fishesPerch-like fishJacks and pompanosJapanese jack mackerel Japanese jack mackerel (Trachurus japonicus) Scientific name: Trachurus japonicus Temminck & Schlegel, 1844 The Japanese jack mackerel (Trachurus japonicus) is a marine fish of the family Carangidae. Native range: Northwest Pacific, southern Japan, Korean Peninsula to the East China Sea. Pacific Ocean off the coast of southeast Asia. BiologyOccur on continental waters. Pelagic. Juveniles associate with drifting seaweed.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrachurus japonicusFamilyCarangidae (Jacks and pompanos)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Common length35.0Depth range0–275 m (0–902 ft)EnvironmentMarine; pelagic-neritic; oceanodromous; depth range 0 - 275 m, usually 50 - 275 mClimateTropicalDistributionNorthwest Pacific: southern Japan, Korean Peninsula to the East China Sea. Pacific Ocean off the coast of southeast Asia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: highly commercial; aquaculture: commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.31-0.38; tmax=6) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026