Thanks for the additional info Alex. Since it's preferring the sand and I think I see rings on the tentacles, I'm going to go with malu. In either case, the fact it has attached is a good thing. Giving it bright light and food, as Shred was saying, should bring it back to full health. Small pieces of fresh seafood such as fresh shrimp from the seafood dept. of the grocery store, PE mysis, small pieces of fresh fish, should all be appreciated. Sometimes you have to be patient with an anemone that's not been eating a while. Place the small piece of fresh food near the mouth and keep an eye on it. It may let go a few times. Try twice in one day, if no feeding, then skip it til the next day. By small pieces, I suggest the size of a green pea for starters.