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Red tide sighted
Friday, September 29, 2017

A red tide has been sighted over the past week, an inter-departmental red tide working group reported today (September 29).

The red tide was spotted by a mariculturist at Lei Yue Mun to Sheung Sze Mun, including Junk Bay, Tathong Channel and Tung Lung Chau fish culture zone yesterday (September 28).

The red tide still persists but no associated death of fish has been reported.

A spokesman for the working group said, "The red tide was formed by Chaetoceros salsugineum, which is commonly found in Hong Kong waters and non-toxic."

The Agriculture, Fisheries and Conservation Department (AFCD) urged mariculturists at Tung Lung Chau, Po Toi O and Po Toi fish culture zones 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 monitoring red tide occurrences to minimise the impact on the mariculture industry and the public.

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Last Review Date : 29 September 2017