Press Releases
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Red tide sighting Three red tides have been sighted in Hong Kong waters in the past few days, an inter-departmental red tide working group reported today (September 17). Staff of the Agriculture, Fisheries and Conservation Department (AFCD) and the Leisure and Cultural Services Department observed red tides at Deep Water Bay and Clear Water Bay First Beach on September 14. A Red Flag was hoisted at Clear Water Bay First Beach. The red tides dissipated two days later. Also on September 14, a red tide was sighted by staff of the Environmental Protection Department at Silver Mine Bay. That one dissipated the following day. "The red tide at Silver Mine Bay was formed by Thalassiosira mala while the other two were formed by Prorocentrum micans. Both species are common in Hong Kong and non-toxic," a spokesman for the working group said. 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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