HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesGunn's leatherjacket Gunn's leatherjacket (Eubalichthys gunnii) Scientific name: Eubalichthys gunnii G?nther, 1870 The Gunn's leatherjacket (Eubalichthys gunnii) is a brackish-water fish of the family Monacanthidae. Native range: Eastern Indian Ocean, southern coasts of Australia. BiologyFound in coastal reefs, primarily deepwater outcrops. Juveniles are common in estuaries.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEubalichthys gunniiFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length60.0Depth range5–150 m (16–492 ft)EnvironmentMarine; brackish; demersal; depth range 5 - 150 mClimateSubtropicalDistributionEastern Indian Ocean: southern coasts of Australia.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