Stupid Question about snails :)

[SunshinePuppies]

How do you tell a male mystery snail from a female mystery snail?
Is it hard to figure out?

 

[Lupin]

Here it is!
http://sexingapplesnails.blogspot.com/

 

[SunshinePuppies]

Thanks.
My snails will probably all end up with names. I name all my fish too. The frog I had even had a name.