mastertech;3191275 said:i have looked and looked and found very little information about these worms. basics and thats about it. i have a hard time believeing that these worms live inside the rocks inside my tank. i have a firm suspicion that this thing lives in the sand. QUOTE]
They live in the sand bed although they do like to stay underneath rocks. They have the ability to "swim" through sand and they are very fast. I don't know how you would catch one. Your fish are not in danger.