Just now, I found a hermit crab dragging another hermit that just molted. Christmas just molted, I can tell because I have found most of his exo and he is baby pink. He was under the sand, it was not an above ground molting, I had to dig to find his shell and exo after he was attacked. He was dragged to the surface. I saw a hermit crab pinching him by the mid section, between abdomen and head.I had to spray the other hermit so he would let go. Christmas is moving very little, his abdomen looks good, not dehydrated. I placed his exo and his shell in the moss pit and I was able to scoop him and put him in the moss pit. I removed all access to the moss pit and covered it with black construction paper. What else can I do? Please help!