HomeMarine aquarium fishAngelfish & butterflyfishLongnose butterfly fish Longnose butterfly fish (Forcipiger flavissimus) Scientific name: Forcipiger flavissimus Jordan & McGregor, 1898 The Longnose butterfly fish (Forcipiger flavissimus) is a marine fish of the family Chaetodontidae. BiologyDorsal spines (total): 12 - 13; Dorsal soft rays (total): 19-25; Anal spines: 3; Anal soft rays: 17 - 19. F. flavissimus has relatively shorter snout with a larger mouth, higher dorsal spine count, and absence of dark-centered scales on the thorax than F. longirostris.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameForcipiger flavissimusFamilyChaetodontidae (Butterflyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length22.0Depth range1–114 m (3–374 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 1 - 114 mClimateTropicalDistributionIndo-Pacific: Red Sea and East Africa to the Hawaiian and Easter islands, north to southern Japan, south to Lord Howe Island; throughout Micronesia. Eastern Pacific: southern Baja California, Mexico and from the Revillagigedo and Galapagos Islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More angelfish & butterflyfishPajama cardinalfishSphaeramia nematopteraLongnose butterflyfishForcipiger longirostrisGoldengirdled coralfishCoradion chrysozonusPyramid butterflyfishHemitaurichthys polylepisVagabond butterflyfishChaetodon vagabundusThompson's butterflyfishHemitaurichthys thompsoniSee 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