How do I breed bettas?
Let me say this right off the bat. Do not even think about breeding them unless you 150% know what you are doing. This is a very complicated process in which takes a lot of work. You need both a male and female betta, kept in separate tanks for a month at the least. They need to be fed very well, and kept in proper conditions. The male should have a bubble nest, and the female should have vertical bars. If you are ready, lower the water level in the females tank to about 3. Divide it in half, and add the male to the other side. Floating plants help here. The female will try to get over to the male, show vertical bars, and flare a bit. The male should build a nest. At these stages, remove the divider. They should chase each other, and then embrace. The male will make the eggs fall out of the female, and this should go on for about 30min to 5hrs. When they are done, remove the female. The male will take care of the babies until they hatch. When the fry can swim, remove the male. You need