here is a video of my red betta breading pair
http/www.youtube.com/watch?v=g52pTWpM-Ok
http/www.youtube.com/watch?v=g52pTWpM-Ok
Bettas can be kept together. I used to have a pair of bettas, they lived together since I bought them, untill the male died. The female is dead now too. they grew old together and bred nearly everyday, usually eating what ever eggs they produced. They had 2 sucessful spawn. And they never fought.