Blue Fusilier (Caesio teres) ウメイロモドキ also Blue and yellow fusilier
The Blue Fusilier is mainly blue with yellow portion of the back from the bottom of the tail to the front of the dorsal fin. Schooling fast moving plankton eaters. They are seen in the same area as other schooling Fusiliers. That area has a good flow of current with the tides.
Blue Fusiliers