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poolguy72

Aquarium Advice Apprentice
Joined
Apr 22, 2012
Messages
31
His is in my newly purchases live rock
 

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The bottom picture are fan worms. They build a calcium based tube that they live in.
I can't really make out the second very well in that dark cave. It's either a mollusk or some sponge-like material. Touch it and see if it's hard or soft.
 
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