Generally speaking, how long can the Siniperca chuatsi grow to be 3-4 years old, and the adult fish spawn in the torrent of rivers from April to June. Young fish swim from the river into the attached lake to feed and fatten, and after the end of autumn, young fish and adult fish go deep into the riverbed of the main stream for the winter. The growth is very rapid. After sexual maturity, the body length continues to increase. The largest individual is 2 meters long and weighs 60 kilograms.
It grows rapidly, and the 2 nd instar fish weighs 3.5 kg.
Siniperca chuatsi grows fast and is large. If the food intake is normal, the weight of the first-year-old individual is between1.0-1.5 kg, the second-year-old individual is 3.5-5.5 ㎏, the third-year-old individual is 7.5-1.0 ㎏, and the fourth-year-old individual can reach/kloc. After sexual maturity, the body length continues to increase, and the largest individual is 2 meters long and weighs 60 kilograms. Usually, the male fish reaches sexual maturity at the age of three and the female fish reaches sexual maturity at the age of four. In the wild state, the parent fish lays eggs from April to June, and artificial reproduction is generally carried out in May. Siniperca chuatsi eggs are floating eggs, which need to drift with the water to complete their development after absorbing water and swelling. A mature female fish with a body length of one meter can conceive 500,000 eggs.
How to distinguish the appearance characteristics of false mandarin fish from false mandarin fish
The body is slender, slightly flat, with a long head and a high body. Kiss tip, big mouth, end position, wide and straight mouth crack. The upper and lower jaws are of the same length, and their ends extend backward to below the anterior margin; There is a hard protrusion on the inside of the front end of the mandible. No need, eyes are big, branchial fissure is big, scales are very small, lateral line scales 100 or so, and lateral lines are complete. The dorsal fin has no hard spines; The pectoral fin, ventral fin and gluteal fin are all short; The caudal fin is long, deeply forked and pointed at the end. The body is silvery white and the back is gray-black; There are black spots on the lateral line and 2-3 rows of scales above the lateral line, which are connected into a longitudinal black broad band pattern.
Morphological characteristics of Siniperca chuatsi
Siniperca chuatsi's figure is like a shuttle, its body color is yellowish, its abdomen is silvery white, and its dorsal fin and caudal fin are bluish gray.
The body is slender, slightly flat, with a round abdomen and no abdominal edges. The body length is about 80 cm, the largest can reach 2 meters, and the weight can reach 67 kg.
The head is long and pointed, and the kiss is longer than the kiss width. The mouth is large, end position, and the end of the mouth fissure can reach below the eye margin. There is a hard bony protrusion at the front end of the mandible, which is consistent with the depression in the front edge of the maxilla. Both the upper and lower jaws are strong. Small eyes and fine scales, lateral line scales110—117. The dorsal fin Ⅲ 9-10 is very small, and its starting point is located behind the abdominal mackerel. Gluteal fin ⅲ10 ——11. The caudal fin is deeply forked. The body is yellowish and the abdomen is silvery white; The dorsal fin and caudal fin are bluish gray, and the cheeks and other fins are pale yellow.
Nutritional Value of Siniperca chuatsi This kind of fish is located in the upper layer of the fish food chain. It is big, firm and delicate in meat, and delicious in taste. It has always been listed as a first-class edible fish, and dried Siniperca chuatsi is loved by many people.
Its meat is delicious, and it has always been listed as a large-scale first-class edible fish. Every 100g of edible part contains protein18.1-20.8g, fat1.3-5.4g, heat 84-132kcal, calcium11-24mg. Its meat is fresh for use as medicine, which has the effects of warming the middle warmer, benefiting the stomach and stopping vomiting. It is mainly used for spleen and stomach weakness, nausea and vomiting, and should be taken regularly.