Ma You, a kind of fish, belongs to Equisetaceae, and its scientific name is Eleutheronema tetradactylum. In China, it is commonly known as afternoon bamboo shoots, sacrificial fish and carp queen, and Zhanjiang people generally call it "afternoon fish". Ma You is a kind of fat and precious fish, and its catch is very small, so it is difficult to buy it in the market. China's coastal areas are all produced, mostly in the south, with the most famous fresh-dried Mayou fish in Zhanjiang Leizhou Peninsula and Hainan Island. Morphological characteristics: slender body, slightly flat side, generally 30 ~ 50 cm long, weighing 800 ~ 1300 g, up to 2 meters, weighing 5 kg. The mouth is big, down, and the kiss is round and blunt. The upper jaw is longer than the lower jaw. The teeth of both jaws are thin and fluffy and extend out of the jaw, and there are only lips at the corners of the mouth. The body is covered with a large and thin comb, the back is grayish brown, the abdomen is milky white, and there are 2 dorsal fins, with a large interval; The pectoral eel is low and has four free filiform fins below it. Its length is about the same as that of pectoral fin, hence the name "four-fingered horse"; The caudal fin is deeply bifurcated, and the dorsal fin, pectoral fin and caudal fin are all gray with light black edges.

No, please refer to the reference. The last part is about yo-yo. The network speed card has no mapping here. There are many Baidu pictures searching for "Yu Miao Fish".