worm ID please...

[Texasgirl]

please help me id this work that came out of a new piece of live rock...moves like an accordian, with little hair looking things on his body.. can be anywhere from 2-4" long

thanks for the help.

http://reefcentral.com/gallery/showphoto.php?photo=228853&papass=&sort=1&thecat=500

 

[LeslieH]

It's either a sipunculid or a priapulid worm. If you can get a picture of it feeding I should be able to tell which one it is. Sipuncs are primarily deposit feeders; priapulids are thought to be deposit feeders when young & predators on other worms when adult. Harmless to fish and corals.