Today while we were looking inside the aquarium, we noticed what looks to be a baby starfish. It is about 1/4 in big and is stuck to the side of the aquarium. It looks like a starfish and it is moving around the tank. We do have a brittle starfish that has been in the tank for about a month and still doing well, although it stays hidden behind the rocks and we see the arms through the cracks. If it is a starfish, will snails or fish eat it?