HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesRadial leatherjacket Radial leatherjacket (Acreichthys radiatus) Scientific name: Acreichthys radiatus Popta, 1900 The Radial leatherjacket (Acreichthys radiatus) is a marine fish of the family Monacanthidae. Native range: Western Pacific, Ryukyu Islands, the Philippines, Indonesia, Australia, and New Caledonia. Reported from Papua New Guinea. BiologyFound among soft corals. Extremely well camouflaged when among the corals. Observed picking on the coral polyps and the coral tissue may be an important part of their diet.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcreichthys radiatusFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range6–8 m (20–26 ft)EnvironmentMarine; reef-associated; depth range 6 - 8 mClimateTropicalDistributionWestern Pacific: Ryukyu Islands, the Philippines, Indonesia, Australia, and New Caledonia. Reported from Papua New Guinea.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