Fishermen catch fish at a mariculture zone in the sea area of Nanji island in Wenzhou, east China's Zhejiang Province, Aug. 18, 2018.

A mariculture zone in the sea area of Nanji island in Wenzhou, east China's Zhejiang Province on Aug. 19, 2018.

A fishing boat in a mariculture zone in the sea area of Nanji island in Wenzhou, east China's Zhejiang Province Aug. 18, 2018.

Large yellow croaker in a mariculture zone in the sea area of Nanji island in Wenzhou, east China's Zhejiang Province on Aug. 18, 2018.

A fishing boat is seen in a large yellow croaker cultivation zone in the sea area of Nanji island in Wenzhou, east China's Zhejiang Province, Aug. 18, 2018. (Photos: Xinhua)

Local fishermen were busy with catching of mussel and large yellow croaker in August.

Nanji Township developed mariculture and island tourism industries in recent years.

It also built a market network and expanded the market of characteristic marine products.

Fishermen catch fish at a mariculture zone in the sea area of Nanji island in Wenzhou, east China's Zhejiang Province, Aug. 18, 2018.

A mariculture zone in the sea area of Nanji island in Wenzhou, east China's Zhejiang Province on Aug. 19, 2018.