Sunburst Butterflyfish ミゾレチョウチョウウオ

Sunburst Butterflyfish (Chaetodon kleinii) ミゾレチョウチョウウオ also Klein’s Butterflyfish and Blacklip Butterflyfish
The Sunburst Butterflyfish has black lips but I wouldn’t name it for them. Amami