Distribution
Indo-Pacific: East Africa to the Hawaiian, Marquesan, and Tuamoto islands, north to the Ryukyu Islands. Replaced by Thalassoma cupido from southern Japan to Taiwan, Thalassoma heiseri in Pitcairn, and Thalassoma loxum at Oman (Ref. 37816). Reported hybrids with Thalassoma jansenii in Banda Sea, Indonesia and with Thalassoma nigrofasciatum in Holmes Reef, Coral Sea (Ref. 57554).