Have had this gramma for 2 weeks - no strange behavior (well, not strange for a Gramma ), seems to be eating fine and very active. However I have noticed discoloration in the middle of his body. Under blue light it looks a bit like a grey sheen, but under white light it is a bit more of a mix of grey/brown. Attaching some pictures, but he refuses to keep still...
EDIT: Video as well:
EDIT: Video as well:
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