Press Releases
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Red tides sighted Two red tides have been sighted in Hong Kong waters in the past few days, an inter-departmental red tide working group reported today (September 9). Staff of the Government Flying Service observed a red tide at Sai Kung Hoi on September 5. The red tide dissipated on September 7. The other occurrence was sighted on September 6 by staff of the Leisure and Cultural Services Department at Silver Mine Bay Beach. Red flag has been hoisted at the beach. The red tide still persists. "The red tide at Sai Kung Hoi was formed by Ceratium furca while the one at Silver Mine Bay Beach was formed by Phaeocystis globosa. Red tide formed by Ceratium furca is common in Hong Kong waters while Phaeocystis globosa is less common. Both species are non-toxic," a spokesman for the working group said. Agriculture, Fisheries and Conservation Department (AFCD) has urged mariculturists in the Ma Nam Wat Fish Culture Zone at Sai Kung Hoi to monitor the situation closely. Red tide is a natural phenomenon. The AFCD's proactive phytoplankton monitoring programme will continue monitoring red tide occurrences to minimise the impact on the mariculture industry and the public.
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