What is this?

[BigDeal]

The small snail like white and black striped they seem to be breeding in my tank the two big ones are close to 3/4". Pic in the middle is one of the larger ones. Thanks for your help.

 

[BigDeal]

Thanks you for the help salt for brains. It's a limpet.

Also I think mom or dad is middle pic baby on top.

 

[salt_for_brains]

You're welcome;)