There is a white band in the middle of the body.
A damselfish with an olive-brown body with a white band. Juveniles have a black eyeball pattern behind the dorsal fin. He is an agile swimmer.
It can be found on rocky areas where shallow water waves hit. It has a territory and tries to stay in the same place.
I took a picture of him alone in a shallow rocky place in Arasaki. He seems to like the rock quite a bit, and has been going back and forth to the same place for a long time.
Introducing a picture of Plectroglyphidodon leucozonus.