Need a critter ID please.

blk822

Member
I just notice this guy in my tank today for the first time .Some kind of filter feeder. I can see it's arms come out of it's mouth then it takes another arm and puts it in it's mouth and pulls it out again. I have never see anything close to this besides a sea apple. It's living behind a clam on some live rock I got from the gulf of mexico. heres a pic, hope you can see it, it's just to the top - left of the clam. And the clam is alive. you can see its arms ,like small peices of seaweed, they are white on the ends and red by the mouth.
 
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