Raw fish is a kind of freshwater fish, which belongs to the animal kingdom, Chordata, Kiwifruit, Perciformes, Diptera and Diptera in biological classification. It is distributed all over the country, especially in the Yangtze River basin, Huaihe River basin, Yellow River basin and Heilongjiang River basin.

Raw fish are fierce in nature, have strong reproductive ability and have a huge appetite. They often eat other fish in lakes or ponds, even their own small fish. Snakehead can also slide on land, migrate to other waters to find food, and live for 3 days without water. It is a dish of China people.