, because they all choose their own mating objects, so if they do not pair successfully, they will not produce in general. And when the female fish gives birth, it needs the help of the male fish. After the male fish and the female fish are paired successfully, the male fish will wrap the body of the female fish with his tail fin and hold the female fish tightly. When the female fish is held, it will lay 3-30 eggs. The female fish will lay eggs for 1-2 hours. During this period, the male fish will keep dancing and hugging the female fish to help them lay eggs.
are fertilized in vitro. After the mother fish gives birth, the male fish will inseminate immediately and put the eggs into the nest he has built with his mouth. While the eggs are hatching, they use their fins to fan the current around the nest, filling it with oxygen. If a fish nest is broken during hatching, the male fish will come forward to repair it. After waiting for 1-2 days, the fish will hatch. But newly hatched bettas can't swim, so they hang in the nest for three days. During these three days, if the betta accidentally falls out of the nest, the male fish will send them back with his mouth and repair the nest. When they can swim, they will break through the bubble nest. At this time, the male fish will give up guarding and let the small fighting fish find their own food.