Distribution
Western Pacific: Japan, Taiwan (Ref. 5193), Philippines, Australia, New Zealand (Ref. 5755). Eastern Atlantic: 16?11'N (ISH unpublished) to Namibia (Ref. 4506) and South Africa (one specimen washed ashore at Xora River and 1 found in the tide pool at Simonstown, False Bay). Western Atlantic: Florida, USA and Cuba (Ref. 7251). Probably circumtropical.