HCA: Hermit Crab Association

One more question: if they are down there and alive (molting or just de-stressing) would I hear them making noises? I haven't heard a single noise in days (and I am in there at night). Is this normal or a bad sign?

Actually, one more question: if one comes up but one stays down should I move the one(s) that come up to an ISO? Are molting crabs in danger while they are buried or after they come up? If they all molt at the same time does that mean they will leave each other alone and not try to eat each other?

Thank you so much for your reassuring answer. I will cross my fingers and hope for the best!

I inherited two crabs from a friend two months ago and bought an additional crab from Petco. I know my friend wasn't taking proper care of hers. They were in a small plastic tank with no heater, no salt water and fed only pellets. I studied up and learned how to take better care of them. I have been...