Chlorurus atrilunula, Tanzania, Photo: Rick Stuart-Smith
Max Size: 30 cm
Sea Temperature Range: 25.3-29.9°C
IUCN Threat Status: Least Concern
Occurrence: Common (33% 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: Few (4 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.