Introduction: Black fish is the common name of snakehead (commonly known as "flower fish" in Guangdong and Guangxi, and "caiyu" in Hubei). It is called cichlid in the coastal areas of Fujian, ghost fish in Longyan and Zhangping, and fire-headed fish in Shandong. It is ferocious in nature.

, with strong fecundity and huge appetite, they can often eat all other fish in a lake or pond.

As early as 2,000 years ago, it was listed as top-grade insect fish by "Shen Nong's Materia Medica" together with stone honey, beeswax, beeswax (propolis), oysters, tortoise shells, mulberry ticks, sea clams, clams, carp, etc.

Snakehead fish can also glide on land and migrate to other waters in search of food. They can live out of water for up to three days.