Can anyone ID this?

reeflover101

New member
DSCF4149.jpg
:
 
Dave's right it looks like limestone. ;)

Is that a little nudibranch-looking thing on the left or hydroid-looking things on the right that you are talking about?
 
I'd go with nudibranch, too. Could be good, or could feast on zoanthids. I think most nudibranchs eat things you do not want them to eat.
 
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