Any Ideas on what type snail this is?

[Rockitmakr]

Found this on the mantle of my clam.........Any takers?

:beer:

 

[Bcollins111900]

pyramid I believe.... not a good sign at all

 

[Rockitmakr]

That is it, I will keep a lookout for more. The 6 line Wrasse is supposed to keep them in check. As for now, they are all gone from the Clam.
:beer:

 

[ezcompany]

they hide in the substrate, and a 6 line will not keep all of them in check.