Need id for this

[Fragalot]

Hello

I need an id for this guy. Its attached to the rock, it doesnt move and out side is hard but not too strong feels like egg shell.

http://66.49.189.104/hitch.jpg



Thanks

[kyle_02]

i have sumthing very similar in my tank growing inside a rock like a save almost only many more little ball points on it ....

[Fragalot]

BTW i tried to remove it last week and shell broked i tried to take out as much as i can But i just relized today it grew back came to same size

[Aurel]

Does it have stringy bits floating in the current? If so it is a vermatid snail.

http://www.nano-reef.com/gallery/showphoto.php?photo=19552&cat=500&ppuser=17519

[Wassdog]

I agree looks close to a positive i.d.