What kinds of freshwater cold water fish do you have?

China is one of the countries with the largest number of cold water fish species, the widest distribution and the most abundant resources. Cold-water fish are short-day fish, which mature in autumn and winter when the natural light time becomes shorter and the water temperature decreases day by day. The wild freshwater cold-water fish distribute in a wide range of water systems in China, and the water temperature is mostly below 8 ℃. What are the species of freshwater cold-water fish?

1. Oriental Europe

Oriental Eurasian belongs to the order Cyprinidae, Cyprinidae, Yaroideae, Eurasian genus. Commonly known as "fish", "flower". Oriental Europe likes to live in the slow flow or still water of rivers and lakes, and has strong salt and alkali resistance. It is very suitable for the water environment of northern China, and it is likely to become one of the main farmed species in northern China.

2. Shuttle perch

Shuttle perch is originally distributed in the rivers and lakes of the Aral Sea, Black Sea, Caspian Sea and Baltic Sea system in Europe, but only in Xinjiang Yili River system and Ertix River system in China. Shuttle perch has strong disease resistance, fast growth, delicate meat, few intermuscular thorns, and high nutritional value. Its protein content is more than 20.53%, which is known as the "king of freshwater fish".

3. Five black lines

The scientific name is red perch, also known as river perch, commonly known as Wudao black. It gets its name because there are five wide stripes across the back of the body on its side. Red perch is a cold temperate river and lake fish living in northern Xinjiang. The growth is relatively slow, the sexual maturity begins at the age of 3 winter, and the maximum body length can reach about 500 mm.

4. Yaluo fish

The genus Arrowhead belongs to 1 genus of Chordata, Vertebrate subphylum, bony Fish Class, Radiofin subclass, Cyprinidae, Cyprinidae and Yaroideae, with about 20 species. Widely distributed in European and Russian rivers. It can be up to 30 cm long, with a slender body, olive green on the back and silvery white belly.

5. Pike

Pike is a freshwater fish widely distributed from cold zone to temperate zone in the northern hemisphere. The mouth is large and flat like a duck's bill, with a protruding jaw. It is the roughest carnivorous fish among freshwater fish. in addition to attacking other fish, it will also attack frogs, rats or wild ducks. The pike grows fast, the meat is tender and white, and the taste is delicious, so it is a good edible economic fish. However, because the pike is carnivorous and gluttonous, it does great harm to other economic fish.

6. Sand Loach

Misgurnus anguillicaudatus is a kind of fish of the genus Loach of the family Loach. Also known as sand pendant, bright yellow all over. The body is long and flat on the side, and the head is flat on the side. Kiss the tip. Body covered with fine scales, cheeks scaly or bare. Freshwater bottom fish, strong adaptability, acid and alkali resistance, cold resistance. It often moves below 1m of the lake surface. Foraging at night. The main distribution areas are as far as Heilongjiang and Japan in the east, Pakistan in the west and Java in Indonesia in the south. In China, it is mainly distributed to the south of the Yangtze River.

7. High white salmon

High white salmon, a kind of salmon of the phylum Chordata, subphylum vertebrates, bony fishes, radiofin subclass, salmon subclass, salmon suborder, Salmonidae and white salmon, is an oxygen-intensive cold-water fish that lives in cold rivers and lakes at high latitudes. High white salmon can be divided into three types, namely, river type, lake type and river-lake type.

The above is the introduction of freshwater cold water fish species. Freshwater cold water fish do not have an obvious lower limit of water temperature. As long as the water does not freeze, they can feed and grow, and live in a highly transparent, high dissolved oxygen, clear and clear running water environment for life.

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