Semicossyphus darwini, Galapagos Islands, Ecuador, Photo: Graham Edgar
Tropical Eastern Pacific
Initial phase reddish with a large yellow patch behind head above pectoral fin and a white chin, becoming blue-grey with age but retaining yellow patch and white chin. Males develop large hump on head.
Max Size: 70 cm
Sea Temperature Range: 20.1-25.7°C
IUCN Threat Status: Data Deficient
Occurrence: Widespread (56% 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 (2 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.