Hmm, something like this happened to me once as well. My boy had started his shed but it was taking a weirdly long amount of time but I had also found a few pieces of shed in his tank, even though it didn't look as though he had shed any of his skin at all. I thought it might have been that he was too dry, I hadn't noticed him going into shed until he was in the later stages so I wasn't able to get him humility up, so I gave him a bath. Just put him in a bowl of water for about 30 mins and he shed as soon as I put him back in his tank. My boy however is extremely calm at all times and doesn't get stressed out so easily so I'm not sure if the stress of the method I used would end up hurting more then helping in your case. Maybe wait a few days to see what happens and if he still hasn't try? I do think he should be okay to eat though, I usually only don't feed mine if they are in blue
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