i have millions of those critters in my tank, i hope they are good, they only come out at night when i feed, and i see them snatch up pellets that have fallen and carry them into their holes.. so...id say they're good!
Originally Posted by PerfectDark http:///forum/post/2551907
Bristle worms very beneficial filter feeders. The can get rather large and thats usually when they are removed. Harmless inhabitants and are considered a beneficial part of your clean up crew.