Highly variable in appearance with life stage and mood, but generally with identical appearance to C. sordidus. Some researchers now consider C. sordidus to be the same as this species throughout the Pacific and in Western Australia, with only western Indian Ocean populations considered C. sordidus. Until there is more certain taxonomic resolution, we retain this species as restricted to the Hawaiian region.

• Max Size: 50 cm
• Sea Temperature Range: 24.2-29.9°C
• Habitat: Coral Reef

• IUCN Threat Status: Least Concern
• Occurrence: Widespread (80% 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: Many (12 per transect)
  Abundance is calculated as the average number of individuals recorded per RLS transect, where present.