Great Argus 27 Apr 2020 Don't know if you've figured it out between then and now, but this is Anampses caeruleopunctatus.
Hix 27 Apr 2020 Yes I did. It's the male, or Terminal Phase. I've seen them on Christmas Island too. Thanks @Great Argus!
Yes I did. It's the male, or Terminal Phase. I've seen them on Christmas Island too. Thanks @Great Argus!