Not too many unknowns in my rock... here is one of them !
When I was putting the rock in the tank I felt this and was very hard. Almost like rubber. When I put it in the tank after a few hours it swelled a little but have noticed nothing from it... There is another part of it to the right of the main bode, maybe going through the rocks? I'll put up another pic when the battey in my cam charges !
No problem. If you want, you can check out the link in my signature. We have a section on the site called "Common Critters." It is basically an ID section on common things seen in a reef tank.
No problem. If you want, you can check out the link in my signature. We have a section on the site called "Common Critters." It is basically an ID section on common things seen in a reef tank. 
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