HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsScorpionfishes or rockfishesWeedy stingfish Weedy stingfish (Scorpaenopsis cirrosa) Scientific name: Scorpaenopsis cirrosa Thunberg, 1793 The Weedy stingfish (Scorpaenopsis cirrosa) is a marine fish of the family Scorpaenidae. Native range: Northwest Pacific, southern Japan and China south to Hong Kong and northern Taiwan. BiologyAbout one-fourth of eye projecting above dorsal profile of head; interorbital space hemispherical when viewed from front, and not deep, the maximum depth contained more than 3 times in orbit diameter; fourth or fifth dorsal spines usually longest (2.6-3.15 in head length); first dorsal spine 1.7-2.1 in second spine; snout length 2.8-3.05 in head length (Ref 42181).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameScorpaenopsis cirrosaFamilyScorpaenidae (Scorpionfishes or rockfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length23.1Depth range3–91 m (10–299 ft)EnvironmentMarine; demersal; depth range 3 - 91 mClimateTropicalDistributionNorthwest Pacific: southern Japan and China south to Hong Kong and northern Taiwan.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesFisheries: commercialResilienceLow, 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