2. Such as Wuchang fish, hairtail, and piranha.

3. Wuchang fish, body length 165 to 456 mm.

4. The side of the body is flat and high, rhombic, with the mouth at the end, the mouth crack is wide, arc-shaped, and the body is bluish gray.

5. Medium-sized lakes mainly distributed in the middle and lower reaches of the Yangtze River.

6. It is more suitable for still water life.

7. Wuchang fish is rich in nutrition and can be eaten by ordinary people, suitable for all ages.

8. Hairtail, belonging to trichiuridae, a suborder of Chordata, a subphylum of vertebrates.

9. Also known as saury, nepotism, fat belt, oil belt, toothfish, etc., it is fierce.

10. Qingdao and Rizhao cities along the Yellow Sea are called bream.

1 1. Hairtail's body shape is flat like a belt, silvery gray, its dorsal fin and pectoral fin are light gray, with tiny spots, its tail is black, its tip is big, and it gradually tapers to the tail, its height is twice as long as its head, and its total length is about 1 meter.

12. Squirrel fish, the scientific name of which is green-finned horse-faced bream, is also called horse-faced fish, elephant-skinned fish, diligent color, cobbler's knife, bread fish, roasted fish, skinned fish, sheep fish, rat fish, Di Zi and Shameng.

13. Warm pelagic fishes.

14. Since 1980s, it has been the second most important economic fish in marine fishing in China.

15. It is distributed in the East China Sea, the Yellow Sea and the Bohai Sea, and also found in Korea, the Sea of Japan and the northwest Pacific Ocean.