Please help. WHAT ARE THESE THINGS

[ibrat82]

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Can someone please help me and identify these tube things that are growing on my zoas and all over my live rock? IF THESE THINGS ARE BAD HOW DO I DEAL WITH THEM?

 

[AlSimmons]

They're just harmless sponges. No worries.

 

[vhuang168]

Are you referring to the white hard spirals with tube ends?


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[Sk8r]

Could be tunicates, a delicate and usually short-lived filter feeder.

 

[Rybren]

The small white things are siporid (sp?) Snails. They are harmless filter feeders whose population will vary with time.

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[billdogg]

The little white spirals are spirobid worms. Harmless filter feeders.

In the right center of the second picture appears to be a tunicate. Once again, harmless filter feeder.

I also see what could either be some black? (Hard to tell color) sponge growth in a few places. Also beneficial filter feeders

It's all good!

hth