Help with identification.

I saw these fish snorkeling on a Disney Cruise Feb 2016 in the Bahamas, and have no idea what species they are. I thought maybe someone here will have more expertise in this area than I do.

Edit: Seems I can't post from Imgur for some reason? I m g u r.com should be in place of the asterisks to see the images.

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5) (yes I know sea turtle but what type)