Category Archives: Horseshoe Crabs

Mangrove Horseshoe Crabs Return to Hong Kong Island

According to the Facebook page of the HK Juvenile Horseshoe Crab Rearing Programme, juvenile mangrove horseshoe crabs (Carcinoscorpius rotundicauda) were found at Tai Tam during this years HK Bioblitz programme. It is the First record of this species after many years of absence.

A BioBlitz is an intense period of biological surveying in an attempt to record all the living species within a designated area. Groups of scientists, naturalists and volunteers conduct an intensive field study over a continuous time period (e.g., usually 24 hours). This years HK BioBlitz was held at Tai Tam.

Help Out the Horseshoe Crabs At Shui Hau Wan, Lantau

You may have heard of Shui Hau Wan on Lantau Island, which is a popular location for clam digging and kite boarding. Shui Hau is actually an important wildlife habitat housing a wide range of precious species, including the horseshoe crab.
Horseshoe crabs are marine living fossils, probably dated back to 485 million years ago. There are two horseshoe crab species found in Hong Kong – Chinese horseshoe crab (Tachypleus tridentatus) and mangrove horseshoe crab (Carcinoscorpius rotundicauda). For more info on HK’s horseshoe crabs visit Billy Kwan’s webpage Horseshoe Crab in Hong Kong.

Trash from visitors as well as marine debris are major threats to the juvenile horseshoe crabs living in the mudflat. To learn more about the features of the ‘living fossil’ horseshoe crab, their importance to humans and how their habitat is being affected by human activities, you can join the mudflat cleanup organized by Friends of the Ocean Park Conservation Fund. Details in the graphic below.

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For enquiries, please contact Miss Chan at +852 3923 2217.