People are being warned not to eat any shellfish harvested along a stretch of coast from Coromandel to the Bay of Plenty.
(file photo) Photo: Supplied
The Ministry for Primary Industries said people should not collect or eat any shellfish from Te Ororoa Point just north of Tairua to Bowenton Heads, Tauranga.
The warning does not include Tauranga Harbour.
Routine tests found levels of toxins above the safe limit.