Workers net silver and bighead carp on Qiandao Lake in Chun'an, Zhejiang province, on Thursday. More than 60 metric tons of carp were harvested by the Qiandao Lake Group, a local fishing and agritourism company. WANG JIANCAI/FOR CHINA DAILY

Workers net silver and bighead carp on Qiandao Lake in Chun'an, Zhejiang province, on Thursday. More than 60 metric tons of carp were harvested by the Qiandao Lake Group, a local fishing and agritourism company. WANG JIANCAI/FOR CHINA DAILY