Hi Fred, good to see another variety of animal being posted.
Obviously the OOF objects & BKG have been covered, however an inverted S in Curves, plus a bit more brightness applied to the Lizard in selective areas does help bring out some more detail and that
'amber' coloured eye too. I guess it's part of the light grey rock that is slightly creeping in under the neck, might try and tickle that in? Would certainly have the main subject higher in the frame, however the crop suggested by Steve C would work well with this image I feel.
I guess you would need a more specialised flash for this work?
Good luck and look forward to more.
TFS
Steve