ReefAddict January 5, 2017 January 5, 2017 (edited) What makes these little sand borrows/tubes ? You can see there are 2 of them in the sand at the base of the rock. Edited January 5, 2017 by ReefAddict
Bruleyii January 5, 2017 January 5, 2017 Some sort of worm in the sand. I just saw something similar on r2r and they said they are harmless and actually help clean up left over food and what not. This is regurgitated info though.
Roca135790 January 5, 2017 January 5, 2017 Kinda looks like the top of a vermetid worm tube. But I'm no expert
ReefAddict January 5, 2017 Author January 5, 2017 I don't believe they are vermetid worm tubes unless this is what they look like when they build them. These are the consistency of sand held together with spit. I saw one before when I was clearing some algae with a toothbrush and it disintegrated as soon as I touched it. Curious what makes them.
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