The first and biggest fish caught in Chagan Lake. Chagan Lake is a lake in Jilin Province. The first fish means the first fish. Chagan Lake head fish means the biggest fish in the first net caught on Chagan Lake during the winter fishing season every year. In the local culture, "head fish" is regarded as a symbol of good luck and good fortune, so it is highly sought after by tourists. In the market trade, the head of the fish can often be sold at a higher price.