Powderblue Surgeonfish, Blue Surgeonfish, Powder Blue Tang, Powderblue Surgeonfish
Acanthurus leucosternon, Maldives, Photo: Rick Stuart-Smith
Acanthurus leucosternon, Aceh, Indonesia, Photo: Ian Shaw
Distinctive powder blue body, black face, white chest, yellow dorsal fin and tail base, white pelvic and anal fins, and black-edged pale tail fin. In Australian waters, only recorded at Christmas Island.
Max Size: 54 cm
Sea Temperature Range: 25.4-31.5°C
Habitat: Coral Reef
IUCN Threat Status: Least Concern
Occurrence: Infrequent (6% 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: Several (7 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.