HomeFish encyclopediaRay-finned fishesPerch-like fishClinidsRosy weedfish Rosy weedfish (Heteroclinus roseus) Scientific name: Heteroclinus roseus G?nther, 1861 The Rosy weedfish (Heteroclinus roseus) is a marine fish of the family Clinidae. Native range: Pacific Ocean, Japan, Australia, and Polynesia. Species factsScientific nameHeteroclinus roseusFamilyClinidae (Clinids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentMarine; demersalClimateTropicalDistributionPacific Ocean: Japan, Australia, and Polynesia.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec assumed to be SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026