Please Help Identify

[phantomg]

Can anyone tell me what this is? I found it on my filter sock when I was changing them out.

 

[Sapelo]

Looks like a bristle worm to me....

 

[cloak]

+1

http://www.lionfishlair.com/hitchhiker.shtml

 

[phantomg]

Thanks Sapelo and thanks for the link cloak.