First of all, It is common to think bettas look lonely. They are never lonely, they are solitary fish. Also if you are using a bowl if you put any other type of fish with the betta, she would kill it because of the limited space. You can't add another female betta no matter how big the tank. But if you get a tank that is around 10 gallons you could add 5 neon tetras. Or another kind of tetra that you like.
