Sisterlimonpot
Premium Member
Just wondering if it is normal to find bristle worms in live rock when you first get it? Should I continue to pull them out?
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Well, I have two small ones in my first tank (a 20g). They are fun to watch when I manage to catch sight of them. From what I've read, they are beneficial while they are small. Once they start getting big, however, they are problematic. Some of the sources I've seen say to grab them and extract them as soon as you can. Others say to leave them until they get big and start causing problems.
Starr
+1
In the beginning.... bristle worms were considered a bad thing to have in your tank for the sole purpose that some people have an allergic reaction if they get pricked by them. These days they are considered to be a welcomed addition to our clean up crew. They do wonders with food that have fallen into the cracks and help keep the detritus levels down. I would leave them in the tank until they become so big that they no longer need the cover of a crevice or hole in the rock to run to for fear of being eaten by predators.