Tubes with threads - Help to ID

Whenever I change the water and there's a strong movement of it, I noticed that strings of sort are coming out from tubes attached to the dead elkhorn corals and on LR? Are these mini corals or somethings are living inside of these mini tubes..?:eek:
 

bigarn

Active Member
Worms...... In the reef world worms don't always look like what we picture in our minds. There's many different species. :D
They could be featherdusters....can't tell without a pic though. :thinking:
 

wax32

Active Member
Here. The grey things. They also sometimes just look like a small point. I have one growing on a hermit's coralline encrusted shell. They make lines of mucus. Vermetid snails.
 
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