4736 Acanthurus guttatus Forster, 1801 Acanthuridae Surgeonfishes, tangs, unicornfishes Acanthurinae Acanthuriformes Teleostei Whitespotted surgeonfish Indo-Pacific: oceanic islands in the western Indian Ocean to the Hawaiian, Marquesan and Tuamoto islands, north to the Ryukyu Islands, south to New Caledonia and Rapa. AMNH 9377 1923 Acanthurus guttatus AMNH 50635 1946 Acanthurus guttatus AMNH 226167 1963 Acanthurus guttatus GCRL 3955 1969 Acanthurus guttatus 2 m