Chaetodon trichrous

Chaetodon trichrous (Tahiti butterflyfish) is a species of fish in the family Chaetodontidae.[1][2][3]

Illustration of Chaetodon trichrous

Chaetodon trichrous
Chaetodon trichrous from Tuamotu Archipelago

Least Concern  (IUCN 3.1)
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Perciformes
Family:
Chaetodontidae
Genus:
Chaetodon
Species:
C. trichrous
Binomial name
Chaetodon trichrous
Günther, 1874

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.[4]

Description

Chaetodon trichrous can reach a length of about 12 centimetres (4.7 in).[1] 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.[5] They usually live singly, in pairs or in small groups.[1][2]

Distribution

This species is endemic to French Polynesia (Marquesas Islands, Society Islands, Tahiti, Tuamotu Archipelago) in the central-south Pacific Ocean.[1][2]

Habitat

Chaetodon trichrous prefers shallow coastal habitats, lagoon reefs and rocky reefs, at depths between 3 and 25 meters.[1][2]

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References
  1. FishBase
  2. IUCN Red List of Threatened Species.
  3. Burgess, W.E., 1978. Butterflyfishes of the world. A monograph of the Family Chaetodontidae. T.F.H. Publications, Neptune City, New Jersey.
  4. André Maugé and Roland Bauchot Les genres et sous-genres de Chaetodontidés étudiés par une méthode d'analyse numérique
  5. Robert Reavis and Joshua M Copus Monogamy in a feeding generalist, Chaetodon trichrous, the endemic Tahitian Butterflyfish


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