Marine biotoxin alerts.
Shellfish and seawater samples around New Zealand are tested each week to ensure they are not contaminated with biotoxin from blooms of algae. Public warnings are issued when shellfish are not safe to eat. This page contains information relating to the non-commercial (recreational and traditional) taking of shellfish only.
This page is updated as soon as new information comes to hand. All the warnings on this page are current and remain in force.
Marine biotoxin warnings currently in force
Bay of Plenty/Coromandel Shellfish Toxin update – Warning removed from Opito Bay and Whitianga Harbour- From 11 Feb 2015
Following ongoing shellfish toxin monitoring the Paralytic Shellfish Poisoning (PSP) toxin warning for Coromandel East coast, has been removed from Opito Bay and Whitianga Harbour.
From 11 February 2015, the affected area is now the entire coastline from Tairua Harbour, east along the Bay of Plenty coastline, to Whakatane. This includes Pauanui, Opoutere, Onemana, Whangamata, Whiritoa, Waihi Beach and estuaries, Tauranga Harbour, Mount Maunganui, Papamoa, Maketu, and Whakatane Heads. Also included in the warning are Slipper, Matakana, and Motiti islands, and all other inshore islands along this coastline.
The health warning applies to all bi-valve shellfish including mussels, pipi, tuatua, cockles, oysters, scallops, as well as catseyes, and kina (sea urchin). Shellfish in the affected area should not be taken or consumed. Paua, crayfish, and crabs can still be taken but as always, the gut should be removed before cooking.
Consumption of shellfish affected by the paralytic shellfish toxin can cause numbness and tingling around the mouth, face or extremities; difficulty swallowing or breathing; dizziness; double vision; and in severe cases, paralysis and respiratory failure. These symptoms usually occur within 12 hours of a person consuming affected shellfish. Anyone suffering illness after eating shellfish should seek medical attention.
Monitoring of toxin levels will continue along the coast and any changes to the warning area will be communicated accordingly.
Up-to-date information on the toxic shellfish health warning can be found through these channels:
- Phone: 0800 221 555 Bay of Plenty or 0800 800 977 Waikato
- Website: www.ttophs.govt.nz/health_warnings
- Twitter: www.twitter.com/ttophs
- Email alerts for subscribers: www.ttophs.govt.nz/alert
- Signage at locations (i.e. shellfish health warning signs at affected beaches)
No closures in place as of 10 March 2015.
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