I agree with BlakbirdxGyarados, but I'm going to add that a tall tank isn't the best one. Bettas get stressed about having to swim a far distance to get food and air, so a horozontal tank is preferred. A more horozontal tank also leaves more room for plants and other decorations for your fish.
Last edited by Dixie; 04-07-2011 at 10:55 PM.
Reason: Typing errors