How big can freshwater snails grow?

Answer:
A mature size of 6 inches/15 centimeters is how big a freshwater snail can grow. This isn't a typical size. Instead, it's the adult size of the apple snail [Pomacea maculata]. The apple snail is considered the largest of the freshwater snails.
First answer by Ginezumi. Last edit by Ginezumi. Contributor trust: 902 [recommend contributor recommended]. Question popularity: 0 [recommend question].