A staff member works at a mariculture zone in Ningde City, southeast China's Fujian Province, July 15, 2020. Ningde City has developed a whole industrial chain of large yellow croaker including breeding, processing and marketing. In 2019, the output of large yellow croakers in the city reached about 164,000 tons, accounting for more than 80 percent of the national output and creating output value of over ten billion yuan (1.43 billion U.S dollars). (Photos: Xinhua)

Aerial photo taken on July 15, 2020 shows a mariculture zone in Ningde City, southeast China's Fujian Province. Ningde City has developed a whole industrial chain of large yellow croaker including breeding, processing and marketing. In 2019, the output of large yellow croakers in the city reached about 164,000 tons, accounting for more than 80 percent of the national output and creating output value of over ten billion yuan (1.43 billion U.S dollars).

Aerial photo taken on July 15, 2020 shows a staff member feeding large yellow croakers at a mariculture zone in Ningde City, southeast China's Fujian Province. Ningde City has developed a whole industrial chain of large yellow croaker including breeding, processing and marketing. In 2019, the output of large yellow croakers in the city reached about 164,000 tons, accounting for more than 80 percent of the national output and creating output value of over ten billion yuan (1.43 billion U.S dollars).

You Weide, chairman of a local food company, introduces large yellow croakers at a mariculture zone in Ningde City, southeast China's Fujian Province, July 15, 2020. Ningde City has developed a whole industrial chain of large yellow croaker including breeding, processing and marketing. In 2019, the output of large yellow croakers in the city reached about 164,000 tons, accounting for more than 80 percent of the national output and creating output value of over ten billion yuan (1.43 billion U.S dollars).

Photo taken on July 15, 2020 shows large yellow croakers at a mariculture zone in Ningde City, southeast China's Fujian Province. Ningde City has developed a whole industrial chain of large yellow croaker including breeding, processing and marketing. In 2019, the output of large yellow croakers in the city reached about 164,000 tons, accounting for more than 80 percent of the national output and creating output value of over ten billion yuan (1.43 billion U.S dollars).

Aerial photo taken on July 15, 2020 shows large yellow croakers at a mariculture zone in Ningde City, southeast China's Fujian Province. Ningde City has developed a whole industrial chain of large yellow croaker including breeding, processing and marketing. In 2019, the output of large yellow croakers in the city reached about 164,000 tons, accounting for more than 80 percent of the national output and creating output value of over ten billion yuan (1.43 billion U.S dollars).

Aerial photo taken on July 15, 2020 shows a mariculture zone in Ningde City, southeast China's Fujian Province. Ningde City has developed a whole industrial chain of large yellow croaker including breeding, processing and marketing. In 2019, the output of large yellow croakers in the city reached about 164,000 tons, accounting for more than 80 percent of the national output and creating output value of over ten billion yuan (1.43 billion U.S dollars).

A staff member works at a mariculture zone in Ningde City, southeast China's Fujian Province, July 15, 2020. Ningde City has developed a whole industrial chain of large yellow croaker including breeding, processing and marketing. In 2019, the output of large yellow croakers in the city reached about 164,000 tons, accounting for more than 80 percent of the national output and creating output value of over ten billion yuan (1.43 billion U.S dollars).