Pomacanthus imperator
Emperor angelfish | Angelfish | Emperor | Imperial Angelfish
Distribution
Tropical Indo-Pacific
Description
Fine oblique yellow stripes across blue body, blue-edged black mask over eyes down to blue opercular spine, second dark blue-edged patch behind head, yellow tail and rear of dorsal fin, and black anal fin. Juveniles with blue concentric curved lines on dark body, the innermost of which forming a circle just in front of tail base. Length to 40 cm.
Information
Max Size: 40 cm
Sea Temperature Range: 22-31.4°C
Depth: 1-100m
Habitat Generalization Index: 9.99
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.
Conservation and Rarity
IUCN Status: Least Concern
Occurrence: Frequent (11.3% 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.
Edit by: Joe Shields