Caution: Harmful algal blooms occur when certain phytoplankton species grow excessively and rapidly in coastal waters.
EATING contaminated shellfish can lead to poisoning within just 30 minutes, warns Prof Dr Lim Po Teen (pic, below).
According to the Universiti Malaya Institute of Ocean and Earth Sciences professor, early symptoms of paralytic shellfish poisoning (PSP) include numbness of the lips and tongue.
