About four months ago i introduced a purple lobster to my reef and for about two weeks all was well and I would observe him come out at night to forage, until i found him dead in the corner of the tank. Well yesterday I was looking the tank over checking for new growth and such and i see lobster pinchers in a crevis under a rock, thinking it was the long lost remains of my ill fated lobster, I reach in to remove them and to my surprise and his the pinchers retreat into the creves. After watching the creves for about ten minutes my very healthy and alive lobster emerges. So im thinking the shell that i saw almost three months ago was just its shedded shell and hes be living in seclusion all this time...