 The immature phase where it is in the larval stage and has no need to start sexual reproduction but shows a slight rise on the right side of the neck where the phallus will later grow.Next when hatched the snail will be in what is called the “Phallus Bud” stage which is the forming of the male sexual organ and may have a “peg-like” phallus.Soon after it will have developed a full phallus and be deemed a “Male”, where it can start the sexual reproduction process and fertilize its female counterparts.