HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesChinaman-leatherjacket Chinaman-leatherjacket (Nelusetta ayraud) Scientific name: Nelusetta ayraud Quoy & Gaimard, 1824 The Chinaman-leatherjacket (Nelusetta ayraud) is a marine fish of the family Monacanthidae. BiologyAdults are found on the continental shelf and slope, while juveniles school seasonally in inshore waters. Juvenile ocean jackets have been caught in seagrass, over bare sand and on rocky reefs. Adults however, tend to be absent from seagrass areas. Are carnivorous, feeding mainly on salps. Other food items in the diet include gastropod mollusks, crustaceans and fish. Sold as fresh trunks.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNelusetta ayraudFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length100.0Depth range0–360 m (0–1181 ft)EnvironmentMarine; demersal; depth range 0 - 360 m, usually 0 - 200 mClimateSubtropicalDistributionEastern Indian Ocean: southern Australia, from Western Australia to New South Wales. The species is considered to be endemic to Australia, although a single specimen has been reported from New Zealand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=2-4; tmax=9; Fec=700,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026