ID this red tenticle thing please (pic)

[Integracer]

I have noticed this weird thing a few times and snapped a shot of it. There are these thin red tenticles that originate from just bellow a polyp rock. The tenticles tend to extend at night and they move around. They move like something controls them, not just in the watter current. I can't see exactly where they come from, it looks just like rock. A tiny pile of chain like waste stuff is around where the tenciles come from. Any ideas?

[Beaker]

Looks like a spaghetti worm. DeskJockey posted this link on another thread that has some info:

 

http://reefkeeping.com/issues/2002-06/rs/index.htm

 

-Great with meat sauce btw.