Chaetodon trifasciatus, Adult. Photo: Rick Stuart-Smith
Chaetodon trifasciatus, Adult, Bali, Indonesia, Photo: Ian Shaw
Yellow chest and head gradating into pale lavender towards back and tail, with darker lavender pinstripes along body. Black lips and black band through eye and on tail with another fainter band on gill cover behind eye. Black dash on one of the pinstripes on upper body. Orange tail base distinguishes it from C. lunulatus (Pinstripe Butterflyfish), which occurs in the Pacific Ocean and Western Australian coast. An Indian Ocean species; in Australia only found at Christmas Island.
Max Size: 15 cm
Sea Temperature Range: 21.4-31.5°C
Habitat: Coral Reef
Threats: Exploitation, Habitat degradation
IUCN Threat Status: Least Concern
Occurrence: Infrequent (9% of sites)
Occurrence describes how often the species is found on surveys within its distribution.
It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
Abundance: Few (3 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland