Chaetodon trichrous (Tahiti butterflyfish) is a species of fish in the family Chaetodontidae.Burgess, W.E., 1978. Butterflyfishes of the world. A monograph of the Family Chaetodontidae. T.F.H. Publications, Neptune City, New Jersey.
Taxonomy This species is included in the subgenus Lepidochaetodon. In 1984, André and Roland Bauchot Maugé proposed to include this species in a new genus Mesochaetodon.André Maugé and Roland Bauchot Les genres et sous-genres de Chaetodontidés étudiés par une méthode d'analyse numérique
Description Chaetodon trichrous can grow to a length of about . The back half of the body is dark brown to black, while the front part is grayish, with a small vertical black stripe through the eye. The tail is yellow.
Biology These fishes feed over hard substrate and on plankton.Robert Reavis and Joshua M Copus Monogamy in a feeding generalist, Chaetodon trichrous, the endemic Tahitian Butterflyfish They usually live singly, in pairs or in small groups.
Distribution This species is endemic to French Polynesia (Marquesas Islands, Society Islands, Tahiti, Tuamotu Archipelago) in the central-south Pacific Ocean.
Habitat Chaetodon trichrous prefers shallow coastal habitats, lagoon reefs and rocky reefs, at depths between 3 and 25 meters.
References
External links ITIS Animal Diversity Web Catalogue of life NCBI