Any ideas what this might be?

[Oxymoron]

The new live rock came with a interesting hitchhiker.
Anyone able to ID for me?

[Ryan_Lap]

Looks like a feather duster to me...harmless filter feeder.

[marie]

It's a feather duster worm.

Here's a couple of good hitchhiker ID sites for you to bookmark

http://www.xtalworld.com/Aquarium/hitchfaq.htm

http://www.melevsreef.com/id/

[Oxymoron]

Thanks alot guys, your help is appreciated as always.