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People are being warned not to collect or consume shellfish gathered from an area of the Bay of Plenty due to the presence of paralytic shellfish toxins.
New Zealand Food Safety deputy director-general Vincent Arbuckle said routine tests on tuatua from Waihī Beach showed levels of paralytic shellfishtoxins more than double the safe limit.
The warning extends from the southern end of Pauanui Beach down to the entrance of Tauranga Harbour, by Mount Maunganui.
Affected area from the southern end of Pauanui Beach down to the entrance of Tauranga Harbour, by Mount Maunganui.
“Affected shellfish include bivalve shellfish such as mussels, oysters, tuatua, pipi, toheroa, cockles and scallops, as well as pūpū (cat’s eyes) and Cook’s turban. Kina are still safe to eat.
“It’s also important to know that cooking the shellfish does not remove the toxin.”
Symptoms of paralytic shellfish poisoning usually appear within 10 minutes to three hours of eating and may include:
numbness and a tingling (prickly feeling) around the mouth, face, hands, and feet
difficulty swallowing or breathing
dizziness and headache
nausea and vomiting
diarrhoea
paralysis and respiratory failure and, in severe cases, death.
Pāua, crab and crayfish may still be eaten if the gut has been completely removed prior to cooking, as toxins accumulate in the gut.
If the gut is not removed, its contents could contaminate the meat during the cooking process. Finfish are not affected by this public health warning, but gutting the fish and discarding the liver before cooking is advised.
New Zealand Food Safety has had no notifications of associated illness.
If anyone becomes ill after eating shellfish from an area where a public health warning has been issued, phone Healthline for advice on 0800 61 11 16, or seek medical attention immediately. You are also advised to contact your nearest public health unit and keep any leftover shellfish in case it can be tested.
“NZFS is monitoring shellfish in the region and will notify the public of any changes to the situation.”
Commercially harvested shellfish – sold in shops and supermarkets or exported – is subject to strict water and flesh monitoring programmes by New Zealand Food Safety to ensure they are safe to eat.
