When the Congolese swordfish spawn, first put the adult Congolese swordfish together in a ratio of 1:1, and soon, the male Congolese swordfish will keep chasing the female Congolese swordfish, and that's it During the chase, the female Congolese swordfish began to spawn, and the male Congolese swordfish were inseminated at the same time, and the number of eggs laid was about 200-350. The fertilized eggs are brown and slightly sticky. They will sink to the bottom of the water and attach to the moth grass or brown silk. The entire spawning process takes several hours to complete. After the end, the Congolese swordfish will be fished out to prevent the eggs from being swallowed.

In addition, pay attention to the breeding of Congolese swordfish For the layout of the environment, first lay thick moth grass or high-temperature sterilized brown silk on the bottom of the breeding tank. When the Congolese swordfish spawn, a 30-45 cm long aquarium is generally used, and the weakly acidic breeding water is prepared, and the water temperature is adjusted to 1-2 °C higher than the breeding water temperature.