Crucian carp is also called mandarin fish, mandarin fish, octopus and crucian carp. Among them, Siniperca chuatsi is their scientific name, and other names are nicknames. This kind of fish belongs to the genus Siniperca. It is tall and flat, with a big head, a big mouth and a bulging back. They live in fresh water and belong to freshwater fish. They can be farmed artificially, so they also have certain economic value.
Generally, crucian carp is gray-black in scale and unremarkable, but the crucian carp flower fish is long and silvery white and dazzling in beauty. Generally, half a catty of crucian carp is good, but no matter how big it is, it is not delicious. Crucian carp and flower fish can grow to five pounds, and the bigger the fish, the better. Carassius auratus is big and fresh. It can be made into clear soup, simmered soup, stewed, steamed, fried and braised, and it is delicious no matter how it is cooked.
Living habits and breeding methods of crucian carp.
1, lifestyle
Crucian carp (Carassius auratus) is a kind of bottom fish, which lives at the intersection of middle and lower water bodies. It mainly feeds on mollusks, mollusks and small fish in the water. In winter, it migrates to the deep water of the river for wintering, and the longest can reach 2 kilograms. The spawning period is from June to July, and fry can hatch in 4 days when the water temperature is 20 degrees.
2. Breeding method
Carassius auratus can be artificially induced to breed, and the water temperature can be kept above 20 degrees. After checking that the gonads of the fish are good, use luteinizing hormone to inject the female fish and the male fish respectively, put them in a cage to keep running water to stimulate, and check the cage after 10 hours.
When crucian carp is cultured artificially, it is cultured in rivers or ponds. Fish meal, silkworm chrysalis, meat and bone meal, soybean meal, wheat bran, corn, animal viscera and other raw materials are mixed to prepare feed, which is fed once every 7- 10 days in the early and late stages of culture and once every 5 days in the middle stage.