English name: Taimen , Huchen
Popular names: Luo fish, zuoyu, Zhelv fish (Northeast), redfish (Xinjiang).
Origin and production period:
The geologists are distributed in Heilongjiang, Tumen, Irtysh and other river systems in China. It is distributed abroad in the Lena River in Russia's Siberia to the Pechora River, and in the upper reaches of the Volga and Ural Rivers in Eastern Europe.
Jericho grows faster and grows at an equal rate and is a large economic fish. The average individual is more than 3 kilograms, the largest one is up to 50 kilograms, and the length is more than 1 meter. The meat is delicious and tender, and it is a nutritious fish. It is also a specialty of the cold region. It is a precious food in the production area.
Introduction:
The Hucho taimen, also known as the Jericho fish, is a genus of maggots, maggots, and subfamilies.
Body length, slightly flat, cylindrical. The head is flat, the tip of the snout, the mouth is cracked, and the mouth is open. The maxilla is distinct, free, and extends posterior to the posterior edge of the eye. The upper and lower jaws, the vomer and the tongue all have inwardly inclined sharp teeth. The scales are very small and oval, and the rings on the scales are arranged very clearly. There are no radiation channels. The lateral lines are 193-242 and the lateral lines are completely. Fat fins are more developed. The back is black-brown and silver belly. On the head and body side, there are many dense dark-black, small cross-shaped spots like miliary. During the spawning period, the male and female bodies showed a bronze color. The pelvic fins and the caudal fins were orange-red, and the males were more pronounced. The pyloric caeca 205-219.
Jericho is a pure, freshwater, feral food fish of cold water. Most of the time all year round, it inhabits streams at low temperatures (below 15°C) and fast-flowing streams. In winter, due to the influence of the water level, it is gradually moved to the big river or the nearby deeper water body before freezing to find a suitable place for wintering. After the river opened in the spring, the river flows upstream to the river for genital migration, and after August it moved to the main stream. Fishermen along the Yangtze River in Heilongjiang Province have a proverb called "Spicy Scales, Philosophy, and Seven Ups and Eight Downs." This refers to the migratory patterns of the squama and the genus. Sexual maturity requires 5 instars and bodies up to 40-50 cm. The reproductive period begins in mid-May, and the water temperature is around 5-10°C. The broodstock colony lays in small rivers with rapid flow and gravel bottom. The broodstock spawns in the same manner as the salmon. Broodstock has the habit of burying eggs and nests. A large number of deaths occur after spawning, especially males. The larvae lurk in the gap between the gravel and do not often swim. Jericho fish is very gluttonous and is one of the most ferocious fish species in freshwater fish. During pre- and post-sunrise periods, predatory and post-harvest days, the snakes, frogs, rodents, and waterbirds that prey on other shallow-water shores prey on other fish and water activities. At other times, they lurk in the shaded waters on both sides of the stream. All seasons are looking for food. When the summer water temperature is slightly higher, the appetite is worse, and there is even a phenomenon of food stoppage. In winter, the food is not stopped, and only the reproductive period stops feeding.
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