Alpine cold water is suitable for breeding fine scale fish, Cherokee fish, Yarrow fish, rainbow trout, dogfish, Qinghai Lake naked carp species.
1, fine scaled fish: belong to the cold water foothills fish, usually grows in the Qinling area at an altitude of 900-2300 meters in the mountain streams, especially clear water, fast-flowing, the bottom of the water for the large gravel streams. The growing waters are rich in dissolved oxygen and the year-round water temperature is within 20℃. After entering the late fall, the fine scaled fish will overwinter in deep pools and deep slots in rivers.
2. Tetrapods: Pure freshwater cold-water fish, generally growing in fast-flowing streams, preferring to live in the tributaries of mountains and forests in the summer, swimming to deep water to overwinter in the late fall and early winter, migrating to streams to spawn in the spring of the following year, and then moving to the main streams after August. Most of the time, it inhabits mountain streams with deep and fast-flowing water, clear water, low water temperature (below 20℃) and high dissolved oxygen.
3. Yaluo fish: most species are cold-temperature fish, widely distributed in Europe, Asia, the continent of cold temperate plains in the rivers and lakes. The staple food of juvenile fish is zooplankton, and the staple food of adult fish is benthic aquatic insects, benthic invertebrates, and sometimes algae, small fish, and terrestrial insects.
4, rainbow trout: belong to the bottom of the cold water fish, like in the clear, dissolved oxygen, lower water temperature, the flow of abundant water habitat. The living limit temperature is 0-30℃, and the living temperature is 16-18℃. When the water temperature is lower than 7℃ or more than 20℃, the appetite of rainbow trout will be reduced and the growth rate will be slowed down; when the water temperature is more than 24℃, rainbow trout will stop feeding and gradually weaken and die.
5, dogfish: a freshwater fish, widely distributed in the northern hemisphere in the frigid to temperate regions, in our country is mainly distributed in the Heilongjiang River Basin, Xinjiang Erqis River Basin. This species has a ferocious temperament and will attack other fish, as well as frogs, mice, ducks and other animals.
6, Qinghai Lake naked carp: belongs to the cold water fish, adaptability, usually like in the beach, deep pools, rock crevices, boulders between the slow flow of water habitat. The main food is algae, zooplankton, adult fish will also swallow decaying plant debris, aquatic insects, other fish.
Alpine water fish culture technology
1, accurate feeding: adhere to the "four principles" of feeding feed, specific to the bait within 10 minutes after eating is appropriate.
2, water control: net culture should be regularly cleaned net box, to prevent algae and impurities attached, breeding bacteria, water mold and other pathogenic microorganisms, affecting the water exchange leads to insufficient dissolved oxygen in the water within the net box.
3, disease prevention and control: daily implementation of "prevention-oriented, prevention is more important than cure" principle of disease prevention and control.