Please help me ID this

[dekelco1]

I have two of these growing in my tank. No idea what they could be. The base is a spiral then grows straight up

 

[Reeferdood]

Does anything come out of them?
Web, etc...

 

[4FordFamily]

@Lionfish Lair anything?

 

[erinmegan85]

Those look to be vermetid snails to me. They can irritate corals when they send out their feeding string. I've kept mine in my tank because they don't seems to be irritating anything, but some people break them off at the base or cover over their hole with superglue to get rid of them.

 

[dekelco1]

Those look to be vermetid snails to me. They can irritate corals when they send out their feeding string. I've kept mine in my tank because they don't seems to be irritating anything, but some people break them off at the base or cover over their hole with superglue to get rid of them.

Just Googled it. It's vermetid snails thank you

 

[NanaReefer]

My 6Line Wrasse eats mine [emoji38]