Blue Demoiselle (Chrysiptera cyanea) ルリスズメダイ – size 8cm
This male Blue Demoiselle is blue with a dark line going from above the mouth through the eyes and fading as it goes back. Some have orange on the back of the tail and sometimes around the mouth. I have not seen that around here. Amami 2023
Another male Blue Demoiselle. They are larger than the females and have a more rounded tail. Amami 2025
Ithink that this is a young male Blue Demoiselle its tail is still a little clear but with a blue edge. Amami 2026
The female Blue Demoiselle is smaller and has some clear fins. There is also a small black spot at the back base of the dorsal fin. Amami 2025
The female Blue Demoiselle is smaller and has some clear fins. There is also a small black spot at the back base of the dorsal fin. Amami 2024