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Anyone here know that this might be, it's maybe the size of half a dime. I've never seen one before, so if it needs to go please let me know. Thanx everyone.
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Looks like a limpet to me also. Never knew any ate zoas. I always thought they ate algae. I would just keep an eye on it around any corals to be on the safe side. No need to remove it unless it causes a problem.