HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesThreadsail filefish Threadsail filefish (Stephanolepis cirrhifer) Scientific name: Stephanolepis cirrhifer Temminck & Schlegel, 1850 The Threadsail filefish (Stephanolepis cirrhifer) is a marine fish of the family Monacanthidae. Native range: Western Pacific, Hokkaido to the East China Sea. BiologyCommercially cultured in Japan. Juveniles associate with drifting seaweed.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameStephanolepis cirrhiferFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentMarine; demersal; oceanodromousClimateTemperateDistributionWestern Pacific: Hokkaido to the East China Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: highly commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026