Thus, it is adapted to still waters and gets depressed with higher current flows. Betta fish are very calm in behavior and do not swim all around but they live better and longer in an area with larger swimming probes. They get well only in bigger aquariums with lesser decorations. So, small tanks are not an option to put your Betta in.
Betta is one of a kind for which you need to create a proper environment before you put it into the tank. Apart from the fish tank size there are a lot of small and simple yet necessary steps to be taken care of without which the fish may get seriously affected at times or even die earlier than it should.
So, here is the step by step instruction to setup the fish tank for your Betta fish: