A dominant species of algae in the bloom which devastated South Australia's coastline has been found to be the most toxic of its kind to be studied, according to an Australian-led research team.

A report has been released by the SA government with details on what caused the harmful algal bloom. The report concludes there were three major contributing factors that triggered the ideal ...

Over the past 15 months, one of the country’s worst marine environmental disasters has been unfolding in South Australia. A harmful algal bloom expanded in many coastal seas, killing thousands of fish ...

Dead and dying sea creatures have been washing ashore on beaches in South Australia over the past 15 months because of a toxic algal bloom. Tracey Nearmy via Getty Images In March 2025, a mysterious, ...

A little-known algae called Karenia cristata is now believed to be the potent toxin behind South Australia’s devastating ...

The marine microalgae responsible for the most devastating effects of the South Australian harmful algal bloom (HAB) has now been shown to be the most toxic species of its kind ever studied. In a ...

Nutrient-rich floodwaters, coastal upwelling, and a marine heatwave fueled a major algal bloom. This bloom, caused by Karenia cristata algae, impacted over 400 marine species. The potent brevetoxins ...

Dead kangaroos, tens of thousands of dead cockles and swimmers still getting sick as algae bloom haunts SA’s pristine beaches ...

Satellite imagery has revealed the extent of the toxic algal bloom affecting South Australia.

Calls for South Australian government to release official estimates for cuttlefish, which once numbered in hundreds of thousands in upper Spencer Gulf ...