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					Originally Posted by Myka  I was leaning towards innocent.  You could always put it in the sump. | 
	
 I was too, but the risk was outweighing the benefit. My system has a nice population of Stomatella's, limpet's and also some larger bi-valves which I don't want being picked off one at a time. 
As a side note I should get some pictures of those bi-valves and see if you guys can identify them, I suspect they are some kind of small clam. They have been on the rock from the beginning, (5 years), but are starting to reproduce more lately.