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
• Depth: 0-25m
• Habitat: Coral Reef
• Habitat Generalisation Index: 12.1
  Also referred to as the SGI (Species generalisation index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here

• Threats: Exploitation
• 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.