ID Help, Please

[rainmaker]

This fish was photographed a quarter of a mile off the northern Pacific coast of Costa Rica in July 2008 at a depth of approximately 50 feet at about 11:00 a.m.

 

[diversteve]

It's a Moorish Idol.

http://www.reefseekers.com/PIXPAGES/Moorish_idol.jpg

http://en.wikipedia.org/wiki/Moorish_idol

 

[rainmaker]

Thanks, Steve!