Herring
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Last Update: 2021-02-14
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Source: Internet
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Author: User
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the only species of carp-shaped carp, also known as black herring, . The body is slightly cylinder-shaped, the head is slightly flat, the tail side is flat
;
The mouth is curved. The upper jaw is slightly longer than the jaw; no need; the lower pharynx teeth 1lines, molar, chewing surface smooth; the side line is complete; the scales are medium in size; the upper half of the body and sides are blue and black, the abdomen is gray-white, each fin is black. It is a special fish produced in the plains of Yellow River, Yangtze River, Pearl River and Heilongjiang River in China.
Usually inhabits the middle and lower layers of water, generally in the bottom of the larger body of water. Food is dominated by snails and biscepple mums, and shrimp and aquatic insects are also commonly eaten. Fast growth,
2
3winter-age fish generally up to 3 to 5
kg. Up to
70
kg. In most of East China
5
5
5 years of age. Every
4
spawning and breeding in places with high river flow rates. The amount of eggs
26 million eggs, up to 695
20 million. The egg is semi-
,
after fertilization, absorbs water and expands, floating along the water and develops. After reproduction is often concentrated in river bends, lakes and ancillary bodies of water fertilization, winter in the deep water of the riverbed winter.
is also one of the four fishes that are the main fish in China's freshwater aquaculture.
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