Jewel Damsel ルリホシスズメダイ

Jewel Damsel (Plectroglyphidodon lacrymatus) ルリホシスズメダイ
A juvenile Jewel Damsel has bright blue dots and a yellowish tail. Amami

An adult Jewel Damsel is drab with small blue dots and a white tail. They can get up to 10 cm.