HomeMarine aquarium fishAngelfish & butterflyfishThompson's butterflyfish Thompson's butterflyfish (Hemitaurichthys thompsoni) Scientific name: Hemitaurichthys thompsoni Fowler, 1923 The Thompson's butterflyfish (Hemitaurichthys thompsoni) is a marine fish of the family Chaetodontidae. Native range: Pacific Ocean, Mariana, Samoa, Johnston, Hawaiian, Line, and Tuamoto islands. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 25-27; Anal spines: 3; Anal soft rays: 20 - 21Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemitaurichthys thompsoniFamilyChaetodontidae (Butterflyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Depth range4–300 m (13–984 ft)EnvironmentMarine; reef-associated; depth range 4 - 300 mClimateTropicalDistributionPacific Ocean: Mariana, Samoa, Johnston, Hawaiian, Line, and Tuamoto islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More angelfish & butterflyfishPajama cardinalfishSphaeramia nematopteraPyramid butterflyfishHemitaurichthys polylepisLongnose butterflyfishForcipiger longirostrisThreeband pennantfishHeniochus chrysostomusLongnose butterfly fishForcipiger flavissimusGoldengirdled coralfishCoradion chrysozonusSee all angelfish & butterflyfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026