Feeder snails, (Haplotrema minimum)

[poison]

Wouldn't the digestibility of snails really also be dependent on the species of frog though?

The only reason the species of froh would matter is because some species of frogs are not strong enough to crack the shell or not big enough to eat the shell hole. Though you can just feed a smaller shell. Snail shells are mainly made of calcium carbonate which is digestible.

[demon amphibians]

well said poison! I could not have said it better myself. snails are a main diet for a few of the largest species of frogs in the world. If someone does have a good method of breeding snails large or small, please fill me in.