HCA: Hermit Crab Association

Hello so I recently got a pet hermit crab well three of them
and I’ve been doing pretty well they have been healthy and stuff one of my hermit crabs went down to molt recently while they were down there for like a week or so I bought another hermit crab and he was doing pretty good but I don’t know exactly what happened but I did wake up to him on top of her I think he might’ve dug her up but she had been fine that was about two weeks ago and she seems fine but today he forced her out of her shell and she did end up finding a new shell and I did separate them but I have now realized I think one of her big claw is dented and I don’t know if it’s functional whenever I try to Tap it lighty she has an open it or anything but I don’t know if it just hurts so she doesn’t want to is she going to die pls help (ps I am very new to this account so I don’t know how anything works ) I would show pictures but I honestly don’t know how to on here

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Is she in a shell right now? If she seems to be acting normally other than her claw, then she most likely would be okay, at the worst sometimes hermit crabs will drop their claw, but it grows back after a few more molts. While her big claw isn't working you might have to give her soft foods and/or hand feed her. To hand feed a hermit crab you gently pick up the hermie and put a piece of food on something small and thin and hold it in front of her antennae, then you just have to wait to see if she'll eat it. If she isn't in a shell then you shouldn't pick her up, you might be able to try it but just hold the food in front of her instead of picking her up.

If your crab is out of the shell, it is an emergency. You need to get the crab back into a shell or it will die.
Here is our care sheet that explains what to do, and also gives some possible reasons why a crab might be naked.

viewtopic.php?f=27&t=122302

A crab can eat just fine with the smaller claw, it does not need the large one.

Also to trouble shoot why one crab may have dug up the other, how deep is your substrate and how large is your tank?