Acipenser sinensis is a national first-class protected animal, and it cannot be produced, operated or eaten. Acipenser sinensis is a national first-class protected animal, and it is an extremely endangered species in the world. Acipenser sinensis has a high status and its number is very small. Acipenser sinensis is the top carnivore in the Yangtze River system and the flagship species at the top of the ecosystem.

Acipenser sinensis mainly eats shrimps, crabs, fish, mollusks and aquatic insects, while young fish mainly feed on mosquito larvae, dragonfly larvae and mayfly larvae. As a flagship species, once the Chinese sturgeon is extinct, the marine ecosystem will be destroyed, and all kinds of fish, shrimps and crabs will flood in the Yangtze River, which will bring serious ecological disasters. Moreover, it will be extremely difficult to restore the ecology of the Yangtze River after destruction.

Characteristics of ACIPENSER sinensis

Acipenser sinensis is the largest and longest-lived freshwater fish, with its powerful shape, huge individual and long life span, with the longest life span reaching 40 years. Adult sturgeons can reach more than four meters long and weigh nearly one thousand kilograms, ranking first among 27 species of sturgeon in the world. According to the literature, it weighs 560 kilograms at most, and is known as the "king of sturgeon" and the "king of fish in the Yangtze River". The average mature male fish weighs more than 80 Jin and the female fish weighs more than 240 Jin.

Acipenser sinensis is a kind of fish that can tolerate salinity very well. In natural environment, it travels between salt water and fresh water, breeds in fresh water and grows in seawater. Acipenser sinensis has strong adaptability to temperature. Under the condition of artificial breeding, the temperature of living water in China is 0 to 30 degrees, the temperature of water suitable for growth is 13 to 25 degrees, the temperature of water suitable for growth is 20 to 22 degrees, and the temperature of water suitable for cultivation is 17 to 24.5 degrees.

Reference to the above content? Baidu encyclopedia-ACIPENSER sinensis