do siamese fighting fish kill each otherThese are the main essential factors of successfulbreeding and maintaining good stock. Betta smaragdina is the native fightingfish of the Isan people. The Isan area of Thailand covers over one third of theentire nation, and is composed mainly of highland plateaus. This geographicalcharacteristic is very separating and helps to preserve Betta smaragdina, in addition askeeping the species from mixing with other bloodlines. The Betta smaragdina,like the Betta splendens, are available widely, living in the shallow rice paddies, ditches, and thelowland spaces beside the rice fields. This buffer area is a free space that thefarmer uses for releasing the fish and also for irrigation to and from his ricefield.