1. Look at the color: The male and female colors of the pearl turtle are different. Under normal circumstances, the body color of the male fish will be more bright, which can help them attract the female fish. And the color of female fish will be darker. Especially their belly, the belly color of female fish is lighter, while that of male fish is brighter, and their belly usually has orange or red color.

2, look at the back: The back of male and female pearl turtle is also different. The back of male fish will be pointed and the back of female fish will be round.

3. Look at the size: The size of male and female pearl turtles is also different. For pearl turtles growing in the same environment, the size of male fish is smaller and that of female fish is larger.

4. Look at the fins: The fins of pearl turtle are different from those of male and female. The dorsal fin of male fish is longer, which generally exceeds the body but not the tail. The dorsal fin of the female fish will be shorter, usually only half of the fish body.

The male and female pearl turtles can be raised together. Although they are large in size, their personality is mild. If male and female are raised together, there will be no more conflicts. Moreover, they don't need much oxygen, so they can breathe on the water. However, they are more susceptible to shock, and they may stop eating and fade after being frightened.