Qube said:Are they rigid tubes? Hard to tell from the pic, but I would guess either mini feather dusters or spionid worms. If so, both are harmless.
Keithhjs said:+1 looks like spinoid worms. Hard to see in pic tho. Check this link and match it up might help you identify it. Look at the fourth pic down. http://www.worldwidereefers.com/forums/showthread.php?4768-Hitchhiker-id-guide