This is a supermale fivestripe wrasse. There are many colorful wrasses in Hawaii, but the fivestripe wrasse is one of the less common varieties. Despite the impressive name, it’s less than five inches in length.
Graham's Island
Life on the Big Island of Hawaii
Graham's Island 
Lovely little fish, and it must be especially to see one that is less common.
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It’s nice to get a look at uncommon fish, though I rarely know it at the time. It’s not until I get home and look them up in my book that I learn that information.
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