Honeyhead Damsel (Dischistodus prosopotaenia) ダンダラスズメダイ
Honeyhead Damsels have blue lines on them if you can get close enough to see them.
Side view of an adult Honeyhead Damsel. There is a large black spot at the pectoral fin base. The coloring can vary a little. They live in the intertidal area.
A juvenile Honeyhead Damsel has a false eye spot.
This juvenile Honeyhead Damsel has only a remnant of a false eye spot.