This nudibranch uses Zooxanthellae to harness solar energy and dependant upon the amount of Zooxanthellae of the the animal has in its digestive glands the body colour will range from white to brown. The rhinophores have purple tips and the oral tentacles have purple bands. Similar to Pteraeolidia ianthina which is found in temperate Australia and which only has two purple bands on the rhinophores.

• Habitat: Coral Reef, Rocky Reef

• IUCN Threat Status: Vulnerable
• Occurrence: Infrequent (3% 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: Solitary (1 per transect)
  Abundance is calculated as the average number of individuals recorded per RLS transect, where present.