Heavybeak parrotfish
(Chlorurus gibbus)

Chlorurus gibbus is a large species of parrotfish which can attain a total length of 70 centimetres (28 in) and a weight of 4 kilograms.

The solitary juveniles are marked with longitudinal black and white stripes, the adults are blue in colour with a green and purple sheen in the males and a yellow sheen in the females.

Chlorurus gibbus is endemic to the Red Sea and the Gulf of Aqaba. It has not been recorded in the Gulf of Aden where the closely related species Chlorurus strongylocephalus has been recorded.