The blackfish is found in freshwater basins in tropical Africa and Asia. China's major water systems are distributed, the Korean Peninsula and Japan are also distributed. In addition to the western region of shaanxi heyang qiachuan yellow river bay wetland more, other northwestern region on the distribution of very few, yinchuan yellow river basin in recent years, blackfish flood, around there are buddhist borrowed blackfish release, and thus in shaanxi part of the reservoir there is a release point of blackfish, xian's fenghe river basin blackfish is also very common, all over the freshwater rivers, lakes, ponds, ponds and marshes in the production.

Blackfish is the common name of snakehead fish [lǐ], also known as wuyu, shengyu, zaifu, snakehead fish, firehead fish and so on.

The blackfish is fierce, fertile and has a big appetite, often eating all the other fish in a lake or pond. The blackfish can also glide over land, migrate to other waters in search of food, and can live out of water for up to three days. As early as 2,000 years ago was "Shennong Ben Cao Jing" with stone honey, bee seeds, beeswax (propolis), oysters, turtle shells, mulberry ticks octopus, sea clams, clams, carp, etc., listed as the top quality of insects and fish.

Blackfish is a common food fish in China, with large individuals, fast growth and high economic value. Blackfish has few bones and spines, high meat content, and is rich in nutrients, higher than the protein contained in chicken and beef. Blackfish as medicine has to remove the stasis of new, nourishing and tonic effect, after surgery, eating blackfish with muscle tonic blood, promote wound healing effect, has a very rich nutritional value.