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Chaetodon lunulatus Quoy & Gaimard, 1825
Redfin Butterflyfish aka Oval Butterflyfish
Distribution: Southeastern Indian Ocean, western and central Pacific: Indonesia east to Hawaiian Islands, northern Line Islands and Tuamotu Archipelago, north to southern Japan, south to Western Australia, Queensland (Australia), Lord Howe Island, Norfolk Island, New Caledonia, Tonga, Rapa and Gambier Islands. Pacific Ocean: widespread from Japan and Australia to the Tuamoto Islands and Hawaii. Replaced by Chaetodon trifasciatus in the Indian Ocean