There are carp, grass carp, crucian carp, white stripes, silver carp and bighead carp in the river. There are many water systems in China, and the fish in different rivers are different. Carp and crucian carp are widely distributed fish, which can be seen in almost all waters. Silver carp and bighead carp are filter-feeding fish, which live in the upper water body and are also distributed in major river systems, while white stripes are frequent visitors in fishing.

Special fish of Yalu River:

1, Yalu river noodle fish: Yalu river noodle fish is a kind of fish that migrates and breeds between rivers and seas, also known as small white fish and whitebait. The whole body is crystal clear and the growth rate is slow. The Yalu river noodle fish has a slender body, a flat head and a big mouth. Because it has no bones and no skin, people have no food to eat in the old society. Caught back and cooked in a pot like noodles, hence the name.

2. Osmanthus fragrans: Osmanthus fragrans, also known as mandarin fish and mandarin fish. Octopus is a typical carnivorous fish with fierce sex. Claw-flowered fry just hatched from fish eggs feed on other kinds of fry. Originally widely distributed in China, it is now only produced in Wusuli River and Heilongjiang River Basin and the middle and upper reaches of Yalu River due to environmental deterioration.

3. Yalu River fennel fish: Yalu River fennel fish is produced in the upper reaches of Yalu River. The total length of fennel fish in Yalu River is 25 cm, and the kiss is longer than the eye diameter. The end of the maxilla extends to the front edge of the eye. It is a small and medium-sized fish, generally between 50 and 400 grams in size, and it is difficult to see big fish over 500 grams.

4. ACIPENSER sinensis is a rare ancient fish left over from Mesozoic10.5 billion years ago. Alias Lazi, Qin Long, Siniperca chuatsi, sturgeon shark, etc. The body is spindle-shaped, with a long tip and four whiskers in front of the mouth. The mouth is located on the ventral side, which is elastic and can be stretched into a tube. The body is covered with five large and hard bone scales, one on the back and two on the side and abdomen.

5. Hucho taimen: Hucho taimen is a cold-water fresh-water carnivorous fish, which is a dangerous fish with a long body and a slightly flat side and a cylindrical shape. Flat head, nasal tip and cracked mouth. Hucho is very greedy and is one of the fiercest species in freshwater fish. Mainly distributed in Heilongjiang, Yalu River in the northeast and Irtysh River in Xinjiang.