Schooling Bannerfish ムレハタタテダイ

Schooling Bannerfish (Heniochus diphreutes) ムレハタタテダイ
The Schooling Bannerfish is extremely close in appearance to the Longfin Bannerfish which has a little longer of a snout. Amami

Same school of Schooling Bannerfish different picture. Amami