Dolphin deaths in South Australia spike after algal bloom decimates food sources
Scientists report a significant spike in dolphin deaths in South Australia, linking the mortality rate to a 2025 algal bloom that decimated local food sources. The event marks the highest number of dolphin deaths in the region in over a decade.
Why it matters
The incident highlights the severe and long-term ecological consequences of climate-driven marine disasters on local biodiversity.
Many of the dolphins found in Gulf St Vincent, which was impacted by South Australia’s algal bloom, were severely emaciated, scientists say. Photograph: Dr Mike Bossley Many of the dolphins found in Gulf St Vincent, which was impacted by South Australia’s algal bloom, were severely emaciated, scientists say. Photograph: Dr Mike Bossley Australian climate and environmental reporting Marine life Dolphin deaths in South Australia spike after algal bloom decimates food sources The March 2025 marine disaster may be linked to a high number of dolphin deaths in the region, scientists say
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