HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesSix-spined leatherjacket Six-spined leatherjacket (Meuschenia freycineti) Scientific name: Meuschenia freycineti Quoy & Gaimard, 1824 The Six-spined leatherjacket (Meuschenia freycineti) is a marine fish of the family Monacanthidae. Native range: Eastern Indian Ocean, southern Australia, from southern Western Australia to New South Wales and Tasmania. BiologyAdults occur on the continental shelf while juveniles are found in estuaries and shallow bays.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMeuschenia freycinetiFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length60.0Depth range100 m (328 ft)EnvironmentMarine; demersal; depth range ? - 100 mClimateTemperateDistributionEastern Indian Ocean: southern Australia, from southern Western Australia to New South Wales and Tasmania.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 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