A red tide was sighted over the past week, an inter-departmental red tide working group reported today (January 3).
The red tide was spotted by staff of the Leisure and Cultural Services Department on December 29, 2024, at Ting Kau Beach, Tsuen Wan. The red tide has dissipated. No associated death of fish has been reported.
A spokesman for the working group said, "The red tide was formed by Phaeocystis globosa, which is commonly found in Hong Kong waters. According to literature overseas, the algal species can produce foam that may affect fish."
The Agriculture, Fisheries and Conservation Department (AFCD) urged mariculturists at Ma Wan fish culture zone to monitor the situation closely and increase aeration where necessary.
​Red tide is a natural phenomenon. The AFCD's proactive phytoplankton monitoring programme will continue to monitor red tide occurrences to minimise the impact on the mariculture industry and the public.
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