Well, are they both female? I keep all of my female Betta's together in a 29 gallon aquarium. They fought a little at first but the have to establish a pecking order and now their fine.
benzjamin13;698509; said:Are they both females or a male and a female? If both are females, then they'll be fine together. If they're a male and female, the male will kill the female or he might breed with her and then kill her.

MrRngr94;698621; said:It's a male and female