China, with one-fifth of the world's population, accounts for two-thirds of the world's reported aquaculture production.
Aquaculture is the farming of fish and other aquatic life in enclosures, such as ponds, lakes and tanks, or cages in rivers and coastal waters. China's 2005 reported harvest was 32.4 million tonnes, more than 10 times that of the second-ranked nation, India, which reported 2.8 million tonnes.
China's 2005 reported catch of wild fish, caught in rivers, lakes, and the sea, was 17.1 million tonnes. This means that aquaculture accounts for nearly two-thirds of China's reported total output.
The principal aquaculture-producing regions are close to urban markets in the middle and lower Yangtze Valley and the Zhu Jiang Delta.
Aquaculture began about 3500 BC in China with the farming of the common carp. These carp were grown in ponds on silk farms, and were fed silkworm nymphs and faeces. Carp are nat