Hey there i'm new to this forum and fairly new to betta keeping(but not fish in general). How rare is it for male bettas to live together? I have a video of mine living together PEACEFULLY for a month now. https://www.youtube.com/watch?v=Rbawf8EZIRI

Hi everyone, I am planning on putting a betta in my 10 gal community with some shrimp and cory catfish and a snail. I was wondering if anyone had any tips on how to pick the most peaceful betta. Are there certain types that are nicer or certain things I can look for when buying? Thanks!