Chaetodon trifascialis (Quoy & Gaimard, 1825)
Chaetodon trifascialis (Quoy & Gaimard, 1825)
Genus: ,

Scientific Name: Chaetodon trifascialis

English Name: Chevron butterflyfish

Creole Name: Papiyon

French Name: Papillon à chevrons

IUCN Red List Status: Near Threatened (NT)


Dorsal spines: 13-15; Dorsal rays: 14-16; Anal spines: 3-5; Anal rays: 13-15.

A white butterflyfish with black chevron markings on the side, a pale-edged black bar through the eye. Dorsal and anal fins yellow with submarginal black line and white 
margin. Caudal fin dark with a broad yellow submarginal band.


Maturity: Lm unknown. Range unknown. Max Length: 18cm TL.

Habitat and Ecology:

Territorial species which occur in shallow lagoon and semi-protected seaward reefs (depth 2-30m, usually down to 10m). Associated with tabular and staghorn Acropora corals. 
An obligate corallivore, feeds exclusively on the polyps of Acropora corals with an apparent strong dependence on (Acropora hyacinthus). Solitary or in pairs. Juveniles 
secretive among coral branches. Oviparous. Form pairs during breeding. Distinct pairing. Listed as Near Threatened due to strong dependence on corals that are subject to 
coral bleaching and has shown a decline in tandem with the coverage of said corals.

Fishery Status:

This species is not protected or subject to fishery regulations. It may be subject to net and trap fisheries but typically would be released.


Photo. courtesy and (c) 2020 Krishna Ashok.
Photo. courtesy and (c) 2021 GVI/SPGA.
Photo. courtesy Eleanor Brighton and Chris Mason-Parker (c) 2022 Blue Safari Seychelles/Marine Conservation Society, Seychelles. Photograph taken at Alphonse group 2022. 


Bray, D.J.  Chaetodon trifascialis in Fishes of Australia, (29/03/20).
Carpenter, K.E. & Pratchett, M. (2010). Chaetodon trifascialis. The IUCN Red List 2010: (29/03/20).
Froese, R. & D. Pauly. (Eds.) (2020). FishBase. Chaetodon trifascialis (29/03/20). 


Nevill, J.E.G. (2020). Chaetodon trifascialis, Chevron butterflyfish. Seychelles Seatizens. (edited 18/07/22).

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