1. Fin difference: The fin of the horsetail fighting fish is one of the important sexual characteristics. Comparatively speaking, the fins of male fish are more developed, longer and larger. The female's fins are much shorter. Especially the ventral fin, the difference is very obvious, put the two together can be distinguished.
2. Differences in body size: The body size of the horsetail fighting fish of different sexes will also have certain differences. Generally speaking, adult male fish are larger and more slender. The females are slightly smaller and more stubby. However, this difference is not visible until adulthood, and it is not easy to see in juvenile fish.
3. Tail shape difference: There are many kinds of tail shapes of male horse tail fighting fish, such as long tail, short tail, semicircular tail, spiny tail and so on, while the tail shape of female horse tail fighting fish is only short tail. So, if the tail shape of a horsetail fighting fish is not short, then it is male.
4. Abdominal difference: The abdomen of male betta is relatively flat, and there is no white spot in the middle of the abdomen. The belly of the mare tail betta is relatively large, and there will be a small white spot on the belly.
horsetail fighting fish male and female will fight. Males may bully females during the non-breeding season. But during the breeding season, once the male and female fish see each other and start breeding, they don't fight. After the female spawns, the male will begin to drive the female away. This is because the female fish may swallow the eggs, and the male fish drives them away to protect the eggs.
