Over the last year at least 6 hermit crabs have come into our lives and marched right out. Lastnight sometime, Matthew who has been with us only 1 month died. I knew he was on his way out because he kept staying in one corner of the tank, despite fresh water and getting spritzed occasionally. All of his legs were off and next to him when I peeked into the tank this morning. I guess that we should just stick to webkinz, they seem to have a longer shelf life around here.