HomeMarine aquarium fishAngelfish & butterflyfishSaddle butterflyfish Saddle butterflyfish (Chaetodon ephippium) Scientific name: Chaetodon ephippium Cuvier, 1831 The Saddle butterflyfish (Chaetodon ephippium) is a marine fish of the family Chaetodontidae. BiologyDorsal spines (total): 12 - 14; Dorsal soft rays (total): 21-25; Anal spines: 3; Anal soft rays: 20 - 23. Overall color is yellowish grey with a large black spot bordered below by a broad white band on the back, and wavy blue lines on the lower sides. Adults have a filament extending posteriorly from the upper part of the soft portion of the dorsal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChaetodon ephippiumFamilyChaetodontidae (Butterflyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range0–30 m (0–98 ft)EnvironmentMarine; reef-associated; depth range 0 - 30 mClimateTropicalDistributionIndo-Pacific: Sri Lanka and Cocos-Keeling Islands to the Hawaiian, Marquesan and Tuamoto islands, north to southern Japan, south to Rowley Shoals and New South Wales, Australia.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercial; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More angelfish & butterflyfishPajama cardinalfishSphaeramia nematopteraSpeckled butterflyfishChaetodon citrinellusYellow-crowned butterflyfishChaetodon flavocoronatusLined butterflyfishChaetodon lineolatusRaccoon butterflyfishChaetodon lunulaBurgess' butterflyfishChaetodon burgessiSee 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