Picked up some frags, and got lots of hitchhikers...What are these?

[pollywog]

Originally Posted by paddyob

Bristle worms won't hurt anything. Scavengers. Eat waste food move detritus.

Leave them.

Originally Posted by Chowder

No need to get rid of it. They are beneficial to your tank. Just don't pick it up with your bare hands. Myself I don't have a reaction to them but many do.

I'm not sure why I thought they were so bad, but I'll leave them now. Thanks for the help guys.