1, Hucho taimen is a cold-water fish, and likes to grow in natural mountain streams with clear water quality and low water temperature. In case of artificial culture, the water temperature must be well controlled. In general, the water temperature should be controlled below 20℃, otherwise, it is not conducive to the normal growth and development of Hucho taimen. Hucho taimen grows faster in water with water temperature 13- 16℃ and oxygen content of 6- 10_/L, and has the best activity and is not easy to get sick. When 5000-6000 fish fry with 40-60g are put into the water quantity of 0. 1m/s, 8000- 10000 kg of commercial fish can be produced. At present, the price of Hucho taimen varies from 100-200 yuan.

2. Pomfret is a large fish among sturgeons. Pomfret is a giant fish with a long life span, a large appetite and great strength. It is known as the giant panda in the water, and some people call it the king of freshwater fish. Pomfret is a kind of fish that consumers like very much because of its delicious meat and no small thorns. The price of mandarin fish depends on the size of the fish. The big fish is more expensive and the small one is cheaper. The price of wild mandarin fish is generally above 150 yuan, and the price of artificial breeding is between 25-30 yuan.

3, the paddlefish, some people call it the kiss catfish, which is native to North America. The maximum length exceeds 180 cm and the weight can reach 37 kg. However, the ornamental paddlefish often seen by the public are generally 15 cm long. The general price is 30-40 yuan/kg.