1, Myxocyprinus asiaticus: The side of the body is flat, with a special bulge at the fin on the back, a short head, a round and blunt kiss, and a horseshoe-shaped mouth. Mainly distributed in the Yangtze River system in China, it is a national second-class protected animal.
2. Agkistrodon: mainly distributed in caves and underground rivers in Guangdong, Guangxi and Yunnan-Guizhou regions. It belongs to the national second-class protected animals.
3. Kissing fish: commonly known as "Xinjiang bighead fish", it has a body length of eighty or ninety centimeters and a weight of about thirteen kilograms, and the largest can reach fifty or sixty kilograms. It is a national first-class protected animal.
4. Tangyu: mainly distributed in the Pearl River Delta region of China, it is a national second-class protected animal.
5. sturgeon: It should be distributed in the Yangtze River basin. Compared with the famous Chinese sturgeon, white sturgeon, etc., it belongs to the small and medium-sized sturgeon with relatively low visibility, with a spindle-shaped body length, a light yellow body surface, a wedge-shaped head and a rough back. For the national first-class protection of animals.