I'm going to inherit a Crowntail betta in a few weeks. He's in a 10g with lots of decor, so I was wondering if I could put any other fish in with him such as albino corys. I think they're adorable and they're always at the local fish store. I'd get three of them since I read they do best in groups. What do you think?
Corys are great tankmates for bettas. I would get a group of 5 though. The more there are, the better. Keep in mind that every betta is different and he may decide he doesn't like them. Just have a plan B for the corys. They should be fine, it's just something to be prepared for.