ID please !?!?!?!?

[ecvernon]

these are growing every where in my tank live rocks and all hard surfaces but not glass. i never e anything come out of them though

 

[ecvernon]

what ever was in them is gone when i pick at them they are hollow they are not solid.

 

[Mr. Softy]

http://www.manhattanreefs.com/forum...anyone-help-me-identify.html?highlight=nerite

 

[ecvernon]

thanks they are every where and now its kinda annoying me:irked:

 

[KathyC]

thanks they are every where and now its kinda annoying me:irked:

Kudos to you for having a tank that has such happy snails!! You'll like 'em better when all of your rock is squeaky clean