Two inverts I'm not sure about

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Jun 5, 2005
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The first attachment appears to be some type of polyp that came with some LR I recently added. When I put the rock in the tank, I found them floating in the water column, they then attached to their own pieces of rock. Anybody got a more positive id. I will say the "fingers" glow green under my moonlights.

The other is a snail that started out quite small and has grown to about 1.5cm in about 3 months. What type of snail is this?

As always, thanks.
 

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