Lined Butterflyfish (Chaetodon lineolatus) ニセフウライチョウチョウウオ (size 30cm)
The Lined Butterflyfish can get large. I have so far only seen a few of them and most of them were hard to get any pictures at all of them. This one did swim around me for a while. Amami
Lined Butterflyfish in Miykojima.