I vote Condylactis, too. What he's got is an injury. What you are seeing is his innards sticking out. Will he make it??? Good question. Depends how bad he's hurt, water conditions he's in and lighting. I'd not try to feed him for a few days, maybe a week. Anemones have the ability to heal without being feed.
Keep us informed how he's doing. This is a good lesson in seriously looking for illness and injury on any specimen you are going to buy.
Here's a link to an article I wrote for TR members and visitors about buying and keeping fish healthy. It applies to anemones, too.
Nine Simple Rules.
