5575 Chaetodon semeion Bleeker, 1855 Chaetodontidae Butterflyfishes Acanthuriformes Teleostei Dotted butterflyfish Indo-Pacific: Maldives to the Tuamoto Islands, north to Ryukyu Islands, south to the Great Barrier Reef. FISH 387403 5 S 150 E 1994 Chaetodon semeion