carpet anenomes are beautiful specimens, the one I had was 11 inches across when fully inflated. you want to make sure that he is fed. and they have a tendency to wander. mine would allways cruise around the tank. and then he found a spot he liked and then he stayed put. they are one of the more toxic of anenomes and they pack a PUNCH. like stated above just give him some time and keep an eye on your water, they require very good water with good lighting. good luck.

would sure like a pic of the guy if you got one :D