Special thanks for the foto to Johnny Jensen, Dankmark.
Indo-West Pacific: Red Sea and East Africa to Samoa, north to the Ryukyu Islands, south to northern Australia and New Caledonia.
Migrated to the eastern part of the Mediterranean Sea via the Suez Canal.
Occur in coastal waters of high islands and continental shorelines; generally in areas rich in vegetation and sand flats.
Form schools. Adults feed mainly on sea grasses, to a lesser extent on green algae and diatoms. Breed in estuaries.