Bicolor Chromis (Chromis margaritifer) シコクスズメダイ
The Bicolor is dark blue with the back parts of the dorsal and anal fins through the tail white. No dark edges on the tail. At the base of the pectoral fin there is a black spot with a white trailing edge. The body will get darker with age. Amami
A school of Bicolor Chromis. Amami