Do I Have Worms?
I was looking at my live rock today after a bit of maintenance and saw a few critters that looked like fan worms. I'm fairly positive that they are; a segmented white tube about 1/4 inch long with waving tenticles sticking out the top. Whenever they get frightened they go back inside their tubes. What kind of fan worms are these and how big do they get? Do I have to worry about my other tank occupants making a snack out of them?
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