''Chaetodon trichrous'' (Tahiti butterflyfish) is a species of

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Chaetodontidae.

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''.

Description

''Chaetodon trichrous'' can reach 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 Copu
Monogamy in a feeding generalist, Chaetodon trichrous, the endemic Tahitian Butterflyfish
/ref> They usually live singly, in pairs or in small groups.

Distribution

This species is endemic to

French Polynesia )Territorial motto: ( en, "Great Tahiti of the Golden Haze") , anthem = , song_type = Regional anthem , song = " Ia Ora 'O Tahiti Nui" , image_map = French Polynesia on the globe (French Polynesia centered).svg , map_alt = Location of Frenc ...

(

Marquesas Islands The Marquesas Islands (; french: Îles Marquises or ' or '; Marquesan: ' ( North Marquesan) and ' ( South Marquesan), both meaning "the land of men") are a group of volcanic islands in French Polynesia, an overseas collectivity of France in th ...

Society Islands The Society Islands (french: Îles de la Société, officially ''Archipel de la Société;'' ty, Tōtaiete mā) are an archipelago located in the South Pacific Ocean. Politically, they are part of French Polynesia, an overseas country of the F ...

Tahiti Tahiti (; Tahitian ; ; previously also known as Otaheite) is the largest island of the Windward group of the Society Islands in French Polynesia. It is located in the central part of the Pacific Ocean and the nearest major landmass is Austr ...

Tuamotu Archipelago The Tuamotu Archipelago or the Tuamotu Islands (french: Îles Tuamotu, officially ) are a French Polynesian chain of just under 80 islands and atolls in the southern Pacific Ocean. They constitute the largest chain of atolls in the world, extendin ...

) 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
* trichrous Fish of Oceania Endemic fauna of French Polynesia Least concern biota of Oceania Fish described in 1874 Taxa named by Albert Günther {{Chaetodontidae-stub