mystery snail

  Just wondering if anyone has any experience with mystery snails in fry tanks. They hitched a ride with the new plants I added, and I assumed they wouldn't touch any eggs I put into the tank.  2 days after adding my angelfish fry, the leaf is bare!! I haven't seen any snails on the leaf though...

Hi, I keep 2 Mystery snails in my tank.  This morning when I went to go feed the fish, I found a snail up at the top of the heater.  I'm not sure if it was floating or had latched on, but there seems to be a large fleshy part torn from the snail and protruding in front of it.  The shell is...