HomeMarine aquarium fishWrassesThreespot wrasse Threespot wrasse (Halichoeres trimaculatus) Scientific name: Halichoeres trimaculatus Quoy & Gaimard, 1834 The Threespot wrasse (Halichoeres trimaculatus) is a marine fish of the family Labridae. Native range: Indo-Pacific, Christmas Island and Rowly Shoals in the eastern Indian Ocean to the Line and Ducie islands, north to south Japan, south to Lord Howe Island. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 10 - 11. Light greenish to yellowish on back, white below; scale rims pink to blackish; a black spot is at the upper base of the pectoral fin; another black spot about equal to eye diameter is at the upper base of the caudal peduncle.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHalichoeres trimaculatusFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length27.0Depth range2–30 m (7–98 ft)EnvironmentMarine; reef-associated; depth range 2 - 30 mClimateTropicalDistributionIndo-Pacific: Christmas Island and Rowly Shoals in the eastern Indian Ocean to the Line and Ducie islands, north to south Japan, south to Lord Howe Island.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More wrassesZigzag wrasseHalichoeres scapularisBarred thicklipHemigymnus fasciatusBlackeye thicklipHemigymnus melapterusDusky wrasseHalichoeres marginatusRing wrasseHologymnosus annulatusPink-belly wrasseHalichoeres margaritaceusSee all wrasses SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026