Monopterus albus belongs to Syngnathidae, Syngnathidae and Monopterus albus. Also known as eel, mackerel, eel, snake fish, blood eel, common fish and long fish (northern Jiangsu). The general name of about 15 species of slender eel-shaped fish in the family Syngnathidae. There are two kinds of distribution in China, one is the common Monopterus albus and the other is Monopterus albus, which are distributed in Sichuan, Yunnan, Guizhou, Chongqing, Hunan, Hubei, Anhui, Henan and other places.

Eel, commonly known as Monopterus albus, belongs to fish, Syngnathidae, Syngnathidae and Monopterus albus. It is a kind of fish, with a body like a snake, but without scales. The skin color is blue and yellow, and the big one is two or three feet long. Like quiet, usually lying under the water.

They live in mud caves and cracks near the water, come out in summer, and hide in caves in 1 1 month and1February.