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Marine biotoxin warning issued

Marine biotoxin warning issued

Posted December 19, 2019
Environmental

Media Release: MPI - Ministry of Primary Industries

The Ministry for Primary Industries (MPI) today issued a public health warning advising the public not to collect or consume shellfish harvested from the southern end of Pauanui Beach down to the northern tip of Mount Maunganui, including the Tauranga Harbour.

Routine tests on shellfish samples taken from this region have shown levels of paralytic shellfish poisoning (PSP) toxins above the safe limit of 0.8 mg/kg set by MPI. Anyone eating shellfish from this area is potentially at risk of illness. Please help keep your whānau safe over the Christmas break and avoid collecting shellfish from the affected area.

Due to currents and prevailing winds going in the opposite direction, the presence of toxic shellfish are not believed to be related to the recent eruption of White Island.

Mussels, oysters, tuatua, pipi, toheroa, cockles, scallops, catseyes, kina (sea urchin), and all other bivalve shellfish should not be eaten.

Note: cooking shellfish does not remove the toxin.

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.

Symptoms typically appear between 10 minutes and 3 hours after ingestion and may include:
numbness and a tingling (prickly feeling) around the mouth, face, and extremities (hands and feet)
difficulty swallowing or breathing
dizziness
headache
nausea
vomiting
diarrhoea
paralysis and respiratory failure
and, in severe cases, death.

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.

Monitoring of toxin levels will continue.Commercially harvested shellfish – sold in shops and supermarkets, or exported – is subject to strict water and flesh monitoring programmes by MPI to ensure they are safe to eat.