In the 1980s, the "Shirengou Fish" in Dulbert County became famous in one fell swoop and was designated as a national banquet ingredient. Shirengou aquaculture farm, with an annual output of more than one million kilograms, has also entered the most prosperous period.

Shirengou carp, a specialty of Dorbod Mongolian Autonomous County in anniversary, Heilongjiang Province, is a geographical indication of national agricultural products.

Shirengou waters belong to the continental monsoon climate in the north temperate zone, with an average elevation of135-144m and an elevation of135.5-136.9m at the bottom of the lake. The frost-free period is about 148 days, the annual average rainfall is 400 mm, the annual average temperature is 3.6-4.4℃, and the annual average sunshine is 2852.3 hours, which is suitable for carp growth. Shirengou carp is spindle-shaped, with a bulging back, a small head, two pairs of whiskers and a slightly horseshoe-shaped mouth. The back of carp is generally dark brown, the lateral and lower leaves of caudal fin are yellow, and the abdomen is white. Fish has high quality and low water content. The meat is tender and delicious [1].

20 12 On May 2nd, the former People's Republic of China (PRC) and the Ministry of Agriculture officially approved the registration and protection of geographical indications of agricultural products for "Shirengou Carp" [2].