09 July 2026
Scientists identify an alga species as the culprit behind the deaths of more than one million marine animals.
A dead snapper that washed ashore in southern Australia in 2025 during a marine die-off caused by a toxic algal species. Credit: Tracey Nearmy/Getty
A little-known type of alga dominated the deadly algal bloom that killed around one million marine animals in Australia in 20251.
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