hermit crab

when I got home I wanted to give my hermit crab a bath and I thought my hermit crab was dead but my hermit crab had just  shaded his skin but I think that's the hermit crabs way of starting to mold to get ready to change shells and my hermit crab was ready for a while but my cat missy will not leave my hermit crab alone. and my other cat Nolan I call her prago because she is pregnant