Agreed, shrimp or nerite snail.
Personally I have 2 nerites snails with my betta in a 10 gal, and the snails poop A LOT. its quite annoying. And I have to remove the snails to feed them otherwise my betta will eat all their food.
“Some people talk to animals. Not many listen though. That's the problem.”
― A.A. Milne
Espeon female halfmoon / 10G
Jolteon male dumbo plakat / 10G