In order to have a high hatching rate, the temperature difference between the incubation pool and the spawning pool should not exceed 0.5 degrees! ! !

The water temperature during incubation also matters. When the water temperature is 65438 08℃, the larvae hatch for about 5 days, at 20℃ for about 4 days, at 20~22℃ for about 3~4 days and at 25: 00 for about 3 days. Fish eggs, don't be exposed to the air. It should be taken out with water.

Larvae are also similar to goldfish larvae in habits, and the feeding methods are roughly the same.

Koi fish:

Red carp (Cyprinidae) is the largest family of all fishes, with more than 1400 species. It is a kind of advanced ornamental fish popular in the world today. It has the reputation of "living gem in water" and "swimming art". It is praised and loved by people because of its low requirements for water quality, miscellaneous eating habits and easy reproduction.

Habit:

Omnivorous koi fish is docile by nature, likes to live in groups, is easy to raise, and has strong adaptability to water temperature. It can survive in the water temperature environment of 5-30℃, and the growth water temperature is 2 1-27℃. Besides the water temperature and the richness of food will affect the growth rate of koi fish, the growth of female and male fish is also very different. The age of koi fish, like most fish, determines the number of scales, which indicates the age of koi fish.