Skyewillow, that was a great post, but also highlights some of my problems/guilt. Yes, I consider the snails as important as a betta, and they WERE there first, but I also know the betta deserves a good home. I already returned them as I mentioned, so the guilty part of me hurts when I know that they were just acting according to nature when they bit my snails. I wish I didn't introduce them to a home and go back on it, but I honestly would never have tried the "experiment" if I had known there was a pretty big risk. I read multiple posts here, and they all warned of a risk of bettas eating shrimp, but I had never read any negative feedback about apple snails until this thread. Ive seen pictures of snails + betta multiple times, and many threads talking about the benefits of snail+betta. Thankfully some of you agree that they sometimes don't get along, otherwise I'd think its only me and im crazy, haha.
So I apologize for not keeping the betta and switching (eventually) to a more snail-friendly fish, but let this thread serve as a sign that snails (even apple snails) have a risk of being attacked by bettas, not only just shrimp.