HomeMarine aquarium fishAngelfish & butterflyfishHawaiian gold-barred butterflyfish Hawaiian gold-barred butterflyfish (Roa excelsa) Scientific name: Roa excelsa Jordan, 1921 The Hawaiian gold-barred butterflyfish (Roa excelsa) is a marine fish of the family Chaetodontidae. Native range: Pacific Ocean, Guam and the Hawaiian Islands. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 21-22; Anal spines: 3; Anal soft rays: 17Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRoa excelsaFamilyChaetodontidae (Butterflyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Depth range20–291 m (66–955 ft)EnvironmentMarine; reef-associated; depth range 20 - 291 mClimateTropicalDistributionPacific Ocean: Guam and the Hawaiian 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 nematopteraIndian golden-barred butterflyfishRoa jayakariJapanese butterflyfishChaetodon nipponLord Howe Island butterflyfishAmphichaetodon howensisArabian butterflyfishChaetodon melapterusPhantom bannerfishHeniochus pleurotaeniaSee 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