HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesFour-spined leatherjacket Four-spined leatherjacket (Eubalichthys quadrispinis) Scientific name: Eubalichthys quadrispinis Hutchins, 1977 The Four-spined leatherjacket (Eubalichthys quadrispinis) is a marine fish of the family Monacanthidae. Native range: Eastern Indian Ocean, Australia (southern Western Australia and South Australia). BiologyOccurs on the continental shelf. Minimum depth from.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEubalichthys quadrispinisFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Depth range135–165 m (443–541 ft)EnvironmentMarine; demersal; depth range 135 - 165 mClimateSubtropicalDistributionEastern Indian Ocean: Australia (southern Western Australia and South Australia).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