HomeFish encyclopediaRay-finned fishesPerch-like fishWrassesBubblefin wrasse Bubblefin wrasse (Halichoeres nigrescens) Scientific name: Halichoeres nigrescens Bloch & Schneider, 1801 The Bubblefin wrasse (Halichoeres nigrescens) is a marine fish of the family Labridae. Native range: Indo-West Pacific, south to Durban, South Africa; southeast India to Philippines, north to Hong Kong, south to northwest Australia. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 12; Anal spines: 3; Anal soft rays: 12. Juveniles and females with thick mid-lateral stripe and ocellus midway in dorsal fin. Latter fades to small spot in males.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHalichoeres nigrescensFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length14.0EnvironmentMarine; reef-associatedClimateTropicalDistributionIndo-West Pacific: south to Durban, South Africa; southeast India to Philippines, north to Hong Kong, south to northwest Australia.Conservation status (IUCN)Least Concern (LC)Threat 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