Tanmen fish: it is the Tanmen seafood that people often say. Tanyu Township in Qionghai is the only special tribe in the world that has continuously developed southwest zhongsha islands for hundreds of years. Tanmen fishermen catch a lot of high-quality marine fish from the vast South China Sea. There are groupers, mackerel and sea eels all year round. The delicious taste of Tanmen seafood is classified according to different seasons. Fishermen say: "Xizai" (herring) in winter and snapper (snapper) in summer, and "yellow croaker" (herring) in Fangjiu Village in September.