Best recognised by their dark colouration and knob-like bumps above the eyes; juveniles have alternating light and dark bands down the body, and tan colouration on the head. Adults dark, sometimes with light or yellow faces, light banding pattern and occelus on back in juveniles which fade with age This species is very common at Lord Howe I, with individuals also regularly seen along the NSW north coast.

• Max Size: 21 cm
• Sea Temperature Range: 18.7-25.0°C
• Depth: 1-20m
• Habitat: Coral Reef, Rocky Reef
• Habitat Generalisation Index: 17.4
  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

• IUCN Threat Status: Not Evaluated
• Occurrence: Common (26% 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 (6 per transect)
  Abundance is calculated as the average number of individuals recorded per RLS transect, where present.