HomeFish encyclopediaRay-finned fishesPerch-like fishButterflyfishesWhite-face butterflyfish White-face butterflyfish (Chaetodon mesoleucos) Scientific name: Chaetodon mesoleucos Forssk?l, 1775 The White-face butterflyfish (Chaetodon mesoleucos) is a marine fish of the family Chaetodontidae. Native range: Western Indian Ocean, Red Sea and the Gulf of Aden. BiologyInhabit coral reefs and usually seen in pairs. Oviparous. Form pairs during breeding.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChaetodon mesoleucosFamilyChaetodontidae (Butterflyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Common length12.0Depth range5–20 m (16–66 ft)EnvironmentMarine; reef-associated; depth range 5 - 20 mClimateTropicalDistributionWestern Indian Ocean: Red Sea and the Gulf of Aden.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026