Shell Variety

There is a wide variety of shell coloration, shape and size. These are some in my colony.

 I mark the shells of the males with White-Out for easy identification.   The "W" is actually an "M". Click on a picture to view it full size.

                      
                                    A light and dark one together

Another view of the light one. Some refer to it as "blond".
This one is spotted	Another view of the dark one.
Here is another variation. The shell is very flared.