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One of the photos in the link does look very much like my photo. I was thinking that it had 2 single cirri but don't see it so much in the other photos so this seems to be it. Thanks!Darkheaded is the old name. They are called Glass Blennys now.
Caribbean Creature Feature: Glass Blennies
Also need to consider behaviour?Or... Given the white speckles and eye coloration...
Enneanectes boehlkei, Rough Head Triple Fin Blenny
Also need to consider behaviour?
The OP fish is hiding in a hole. I think the Rough Head Triple Fin is the really small (mostly transparent so that I often miss them) fish that hides out in the open. Generally less than an inch in length so easy to miss? But they do not hide in holes...