Shellfish poisoning warning - west coast North Island

New Zealand Food Safety has issued a public health warning against collecting shellfish along the Raglan coastline.

September 18, 2023
Photographer:

The warning extends from Port Waikato, southward to Tauratahi Point at the entrance of Kawhia Harbour. The warning includes the entire Raglan and Aotea Harbours but not Kawhia Harbour. Paralytic Shellfish Toxins have been detected in shellfish from Raglan at levels above the safe limit set by MPI.
Shellfish affected:
Mussels, oysters, tuatua, pipi, toheroa, cockles, scallops, catseyes, kina (sea urchin) and all other bivalve shellfish.

Important: 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
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
Map showing the area covered by the shellfish biotoxin alert from Port Waikato, southward to Tauratahi Point at the entrance of Kawhia Harbour. The warning includes the entire Raglan and Aotea Harbours but not Kawhia Harbour.
Map showing the area covered by the shellfish biotoxin alert from Port Waikato, southward to Tauratahi Point at the entrance of Kawhia Harbour. The warning includes the entire Raglan and Aotea Harbours but not Kawhia Harbour.

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