Baby snail?

[johnsonw2]

Found this when relocating a frag. Also noticed smaller ones on the front glass. It feels like it has a shell and seems like a snail.

Here's a picture of its underside. Sorry for the quality. Thanks

 

[mr_X]

That looks like a limpet to me. Good hitch hiker if so.

 

[johnsonw2]

I think you're right! Thanks for the help