How to distinguish between adult and juvenile yellowtail damselfish? Also, is it true that adult yellowtail damselfish have blue spots on their bodies?
To distinguish, you can see from the body color, where adult yellowtail damselfish are yellowish-brown and juveniles are dark blue. In addition, differences can also be seen from the color of the tail fin of bright yellow adult fish and transparent juveniles.
That's right, yellowtail damselfish have blue spots on the head and upper body.