Dented scales?

Is it a sign of dehydration like a dented eye is? or is it normal?

Here's a picture.

http://i49.tinypic.com/2h3n09u.jpg

It isn't only on that particular spot, they are scattered around his body, but it isn't a lot. Can someone tell me what it means?

It looks like a patch of old shed. The dents are just partially loose old skin. It's not totally flat against the scales.

Try rubbing it off with a damp cloth.

And sometimes dented (or curled in) scales mean the hide is too small. If it is this, the scales will bend back to normal.

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