Widespread in the Indo-West Pacific, including South Africa, Mozambique, Madagascar, Mauritius, Seychelles, Tanzania (Zanzibar), Kenya, Red Sea (Lohaja and Massaua), Saudi Arabia, Gulf of Aden, Gulf of Oman, Persian Gulf, Pakistan, India, Sri Lanka, Myanmar, Malaysia, Singapore, Indonesia, Thailand, Vietnam, the Philippines, Papua New Guinea, the Solomons, Australia, Melanesia and Polynesia (Fowler 1941, Herre 1953, Last and Stevens 1994, Last and Compagno 1999).
No information exists on subpopulations.