Alert – Department of Health, 27 June 2023
Current warnings
Toxic algal blooms (also known as harmful algal blooms or HABs) are currently known to be present in Tasmania. Elevated levels of algal toxins have been detected in shellfish from the region/s listed on this page.
Recreationally harvested shellfish should not be eaten because the algal toxins are harmful to humans. Seek medical help if you get sick after eating wild shellfish.
Health alert
Do not eat recreationally harvested mussels, oysters, clams, pipis, cockles, wedge shells abalone and scallop roe from the following areas:
- Spring Bay and the Mercury Passage (south-east Tasmania)
- Waters near the towns of Orford, Triabunna and Maria Island
This warning was issued on 27 June 2023 and remains current.
Note: Product in shops and restaurants is safe and not impacted by the alert.
What to watch out for
Wild shellfish
Wild shellfish include:
- Oysters, mussels, clams, pipis, cockles, wedge shells, abalone and scallop roe
- Intestines and livers (tomalley) of rock lobster can also be affected when toxic algal blooms are present
Symptoms
Symptoms can occur within minutes to hours after eating shellfish. Cooking or freezing shellfish does not destroy the toxins that cause shellfish poisoning. Shellfish poisoning symptoms include:
- tingling or numbness
- weakness
- blurred vision
- difficulty breathing
- vomiting
- diarrhoea
Paralytic shellfish poisoning
If you experience paralytic shellfish poisoning symptoms after eating wild shellfish, go to your nearest emergency department or call 000.
