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#1
09-09-2013, 12:45 AM
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...invert?... ID help
can anyone ID the critter that owns the hard, tear-drop shape thing on this rock? when I moved the rock, I noticed that this piece closed tight where it was ...I poked at it and it's hard like bone.
Sorry, my camera kept focusing in on the rock, so it's a little out of focus. Oh, is the critter good or bad? Thanks!! thingy.jpg 
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| fish, inverts, reef, saltwater, tank |
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