Rare Damsel?

[JDavis]

Someone will be able to ID him... The yellow dorsal fin throws me.

I searched 3 pages of Google images. I give up!

 

[Marquiseo]

It's called the "Yellow Fin Damsel" or "Fiji Blue Devil".


Links:
Saltwater Aquarium Fish for Marine Aquariums: Fiji Blue Devil Damselfish
South Seas Demoiselle, Chrysiptera taupo (Jordan & Seale, 1906) - Australian Museum
Chrysiptera
Fiji Blue Devil Damsel advice - Reefer's Cafe
Diving The Gold Coast