I know that free-swimming fish aren't at all good tank mates for bettas, but I'd like to put something in with Flipper to "clean up" after him...mainly the algae that I'm sure will soon develop. I don't really want to try otos since I have them in my 55 gal and will soon add them to my 29 gal, and I would feel terrible keeping a single cory in there

. My best friend's dad, who keeps fish also, suggested a snail. Would this be a possibility?

I know every
betta reacts differently to tank mates, but Flipper seems to be relatively calm, and if whatever I try in his tank doesn't work out I can always move it to either the 29 or 55 gal. Any input, or other suggestions, would be greatly appreciated!