Worm or Something Else?


New member
This guy showed up on a live rock that I picked up out of our LFS show tank which had a combo of anemones, corals, feather dusters, etc. No idea what it is and no luck on google.

We've seen it extend thin tentacle (strands) down to the sand and retract them with stuff attached. Just like the makings of a spider web. Must be sticky the way it pulls stuff back up.

I'm assuming it doesn't represent a problem, just curious as to what it is.


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