So my girlfriend picked up some of these (I don't remember the name but the pet store guy assured her that they were docile and a great coral, one of his favorites)
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I noticed last night when I went to my tank that the Serpant Star was hanging out next to it. I watched for a few and his arms were all over the place including parts of the coral. This did not look good so I got a piece of shrimp out of the freezer and coaxed him away from the coral. He was happy to take the shrimp. Today a few minutes ago I realized he was next to this new coral once again, I saw him moving away from it so I did not catch to see what it was doing with the coral. It looks like there might be a couple little polyps missing? I was told by several sites and of course the guys that sell them that these stars were reef safe and would not bother corals.
Is there an exception here?