The body is bright blue with a black and white head, a yellow dorsal fin, and white pelvic and anal fins.
Scientific name: Acanthurus leucosternon
Common names: Powder-blue surgeonfish, painted surgeon
Size: Can grow up to 23cm
Indian Ocean, Oman to Sodwana Bay, South Africa.
It is found on coral reefs and shallow rocky reefs.
It mainly feeds on algae. It also feeds on tiny crabs and snail eggs.
Small shoals gather over reefs during the breeding season to take part in courtship displays, and shed sperm and eggs into the sea.
The beautiful colour makes it a popular marine aquarium species.
Daily bag limit: 10 per day.
SASSI: Not yet listed.
It is commonly collected for the aquarium trade. This species is found in a number of marine reserves in parts of its distribution. More research is needed to understand the long-term effects of coral reef habitat loss and degradation on this species’ populations.