After goldfish, the Betta fish is probably the second most popular fish kept. The Betta Splendens is a favorite because of its beauty, its long fins and because they are relatively easy to care for. The males sport deep beautiful colors whereas the females are less colorful. It is called the Siamese Fighting Fish because of its behavior towards other males of the same species. You cannot keep two or more males in the same tank. If more than one male betta fish are placed in the same tank, they will fight until only one of them remains. They will flare out their gill covers and erect their fins showing the other fish their fighting posture.
There are ways to see this behaviour without introducing another male. One way is to use a small hand mirror and place it up against the tank glass so that the male betta may see his reflection. He will mistake his reflection as another male and the betta fighting posture should then be displayed.
You can get small betta tanks that come with dividers which will allow you to keep two bettas in the same tank. Many keep them in small bowls and they may live for a while in these small bowls. However, to get the most beautiful colors and optimal health for your fish, they will do better in a 10 gallon or larger tank with a heater that can maintain a constant temperature in the aquarium. If you plan on keeping yours in a small tank, please read the small tank page for ideas on equipment needed. More Pictures of beta fish.
