Somehow I knew someone would copy that thread here. If you read it you'll find that
1. That worm was found to be over 4 ft long. (if any of my worms grow that large, I assure you, I will remove it on nasty ick factor alone) and
2. Barry, the name of the worm featured there, is a eucinid worm, not a common bristle worm. Nasty nasty dude who now has his very own display tank.