IndiaAIFounders — Sharks, rays and wobbegongs: South Australian algal bloom killed more than 8,000 creatures

Sharks, rays and wobbegongs: South Australian algal bloom killed more than 8,000 creatures

October 16, 2026 at 11:08 AM

‘Unprecedented’ mass mortality event that began in 2025 may have led to the collapse of some populations, ecologists fear

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More than 8,000 sharks and rays died during South Australia’s toxic algal bloom, the largest known mass mortality globally, with endangered species among the fatalities.

Prof Charlie Huveneers, a shark ecologist at Flinders University, said the bloom had potentially led to the collapse of some local populations.

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