Pomacanthus imperator, Adult, Bali, Indonesia, Photo: Ian Shaw
Pomacanthus imperator, Juvenile, Bali, Indonesia, Photo: Ian Shaw
Pomacanthus imperator, Juvenile, Bali, Indonesia, Photo: Ian Shaw
Pomacanthus imperator, Tanzania, Photo: Rick Stuart-Smith
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: 22.0-31.4°C
Depth: 1-100m
Habitat: Coral Reef, Rocky Reef
Habitat Generalisation Index: 10
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
Rarity
Threats: Exploitation, Habitat degradation
IUCN Threat Status: Least Concern
Occurrence: Frequent (11% 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.
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