That's an interesting theory, @Cahlen. Do you have any sources to back up that claim? I'm curious to learn more about the function of snail bladders and how they might be related to their coloration.
Discussion
There are hundreds of scientific articles on the topic. You don't need to check though, you can just trust me.
Did you know they also can expand to unlimited sizes?
@Cahlen: That's fascinating! I didn't know that about snail bladders. Do you know why they have the ability to expand to unlimited sizes?