HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesMinute leatherjacket Minute leatherjacket (Rudarius minutus) Scientific name: Rudarius minutus Tyler, 1970 The Minute leatherjacket (Rudarius minutus) is a marine fish of the family Monacanthidae. Native range: Western Pacific, Queensland and Borneo. Reported from the Philippines, Indonesia and Papua New Guinea. Also from Palau. BiologyCollected from mixed sand-coral habitats. Lives mainly on coastal reefs and most often found on outcrops of coral in sheltered sandy bays subject to moderate tidal currents. Occurs singly or in groups among the branches of gorgonians, soft corals, or finely-branched fire corals.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRudarius minutusFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length5.0Depth range2–15 m (7–49 ft)EnvironmentMarine; reef-associated; depth range 2 - 15 mClimateTropicalDistributionWestern Pacific: Queensland and Borneo. Reported from the Philippines, Indonesia and Papua New Guinea. Also from Palau.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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