Yellowtail Damsel (Neoglyphidodon nigroris) ヒレナガスズメダイ
An adult Yellowtail Damsel. The lower lobe of the tail is usually shorter, but this one seems to have a little bit missing.
An intermediate stage of the Yellowtail Damsel.
Another intermediate stage of the Yellowtail Damsel.
A juvenile Yellowtail Damsel.