Please ID those tubes

[arturoo1977]

Hi all, please help me ID those tube structures. I have some of them on rocks. They grow but haven’t seen anything comming out of them.

 

[Sashaka]

They look like tunicates or sea squirts to me. Check out these sites and do a google of white tunicates and look at some pictures to compare. Second guess is a type of tube worm.

Forget aiptasia... what about tunicates? - Reef Central Online Community

Forget aiptasia... what about tunicates? Reef Discussion

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Saltcorner: Article: The Tube Worms

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