Quote Originally Posted by Kristy View Post
If you thought they were little centipedes, then they are probably bristleworms. In our small tank, one of the pieces of live rock has small holes in it. We see them come out of the rock all the time. Having them is not necessarily a bad thing, as they are a good addition to your cleanup crew, but they can sometimes get pretty big. We have pulled some out 2-3 inches long. Creepy when they get that big.

Mike

2-3"?!?!?! I've pulled some from my tank 12-18" and as big around as one of them really fat pencils you used to use in kindergarten