Tunneling in sand

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cd5

Aquarium Advice Activist
Joined
Jul 26, 2004
Messages
127
Location
Georgia
Something is making small tunnels in my deep sand bed, i can see through the glass into the sand small tunnels forming, it looks like worms but I have not read about anything like this, could they be some kind of worm and are they good or bad
 
I could be from bristleworms. Also, pods make tunnels in the sand bed. I wouldn't worry.
 
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