In a weekly update on the state’s harmful algal bloom, the South Australian Research and Development Institute (SARDI) executive director Mike Steer said there had “absolutely not” been a cover-up of Karenia cristata , which was recently identified in an academic paper as the potential main source of harmful brevetoxins within the algal bloom.

He rejected questioning of the State Government this week, suggesting there had been a potential cover-up of the harmful algal species.

The algal bloom was first seen in mid-March 2025 near Waitpinga and Parsons beaches on the Fleurieu Peninsula and has caused thousands of marine deaths across South Australia.

“We have known that there’s been brevetoxin in our shellfish since late April, early May. We can identify the actual analogues,” he sai

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