Oh, and to address your question of how long they take to grow, my experience has been that it is somewhat of a slow and steady process. Mosca is still growing, much to the horror of some of my more squeamish friends.
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1.0 Mali Uro Archimedes (May he rest in peace)
0.0.1 Egyptian Uro Zuberi Mosca Khu (Mosca)
0.0.1 Common Garden Snail
Madison, Wisconsin