When the tide falls, the bowed fiddler crabs become the most active group on the mudflats. Foraging for food and finding mates are their main tasks during the day. The most distinctive feature of the bowed fiddler crab is that the male crab has a chela that is the same as a warrior's shield. It swings the large chela to intimidate enemies or to court its mate.

About 'Journeys in Nature': Zhejiang Xiangshan Series

Produced by the CGTN Nature team, "Journeys in Nature" presents China's distinct ecology and biodiversity through a range of mini-series that cover different regions across the country. In this series, the film crew travels to Xiangshan County and records the stories of the animals and people living there.

For more:

Zhejiang Xiangshan Series: Courtship dance

Zhejiang Xiangshan Series: Return of the mythical bird

Zhejiang Xiangshan Series: Home on the island

(Cover image via screenshot)

(If you want to contribute and have specific expertise, please contact us at nature@cgtn.com.)