Yes, they are frozen! When he was eating 1-3 it was the fuzzy mice, we recently went up to small rat so that would probably explain why he is eating less. He typically comes out of his hide and puts his head on top of the hide when he is hungry so we usually have followed his cues, but the last few times he would ignore it and go back. I don't think he is overweight but I will take a pic and post and you can tell me.
A