It depends what species the snail is if it is a garden snail usuly they are about half the size of a pea (they are so cute i love there tiny faces) hope this helps.
most have eggs
They don't.
No, there is not a recipe for risotto with baby snails.
Grown up snails
No they don't because the baby's go into survival mode as soon as they are born.
Some snails can self-fertilize, such as Helix aspersa, but not all snails can.
no, they care for there own
There is no parental care amongst snails. As soon as the eggs are laid the baby snails are on there own. Its really no big deal.
Baby Pomacea canaliculata snails, 1 hour after leaving the eggs. Note the red intestines of these young snails. This is caused by the reddish, carotene-rich yolk they have lived on when they were growing inside the eggs.Pomacea bridgesii snails don't have such a red body when they are born (also see the picture above of hatching Pomacea bridgesii
yes
I've already answered a similar qst. Jst type in : How do snails make more snails and u'll find my answer.
Baby snails do not find empty shells, in fact, they are born with clear, soft shells. The shells harden as the snail consumes calcium and they start with the egg shell they hatched from. The shell grows with the snail and the inner circle of the shell is the shell the snail was born with.
they have about 450.
Frogs, birds, and alligators.