Paralytic Shellfish Toxin (PST) is a shellfish neurotoxin that occurs in shellfish following a hazardous algal bloom event of specific phytoplankton/algae. Australia has set a regulatory level of 0.8mg/kg for bivalve molluscs (i.e. oysters, mussels etc).

The Department of Agriculture and Water Resources​ was first advised of a detection of Paralytic Shellfish Toxin (PST) in abalone harvested from certain areas of Tasmania in 2011. As a result, the department has implemented risk-management measures to ensure consignments of abalone and/or abalone product sourced from affected areas are only certified for export when they are fit for human consumption and meet importing country food safety and quarantine requirements.

Current and previous Industry Advice Notices outlining abalone sourcing restrictions can be found at Industry Advice Notices for Fish and Fish Products.

For more information, please contact by email Dairy Eggs and Fish


Document Pages File size
2021 policy - PST in Tasmanian abalone: Export eligibility PDF  3 360 KB
2021 policy - PST in Tasmanian abalone: Export eligibility DOCX  3 237 KB

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Last reviewed: 14 April 2021
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