1, Carassius auratus is one of the most common freshwater fish in China. It is a general term for freshwater fish of crucian carp, commonly known as crucian carp seeds, primary crucian carp, crucian carp shells and so on. Ponds, streams, rivers, lakes, reservoirs, swamps and other water bodies distributed all over the country.

2. Carp is a temperate freshwater fish native to Asia. It likes to live in warm lakes or slow rivers on the plains and is distributed all over the world except Australia and South America.