Look at the coloration near the end of the tail. It is possible that it could be a darker pastel. Our pastel Is lighter near his tail and darker at his head. But" has the :green" eyes. But... as lotsaballs said, check for Burns, check for.mites, and in my opinion, flip it on it's back and see what It does, it should correct itself to a upright position, if not, well don't buy! That's my two sense..