HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesThreadfin leatherjacket Threadfin leatherjacket (Paramonacanthus filicauda) Scientific name: Paramonacanthus filicauda G?nther, 1880 The Threadfin leatherjacket (Paramonacanthus filicauda) is a marine fish of the family Monacanthidae. Native range: Western Central Pacific, northwestern Australia and Papua New Guinea. BiologyLives on trawling grounds. An excellent food fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParamonacanthus filicaudaFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length22.0EnvironmentMarine; demersalClimateTropicalDistributionWestern Central Pacific: northwestern Australia and Papua New Guinea.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