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The Guardian - AU
The Guardian - AU
Environment
Petra Stock

‘A horror movie’: sharks and octopuses among 200 species killed by toxic algae off South Australia

dead shark
A dead shark found on a beach in South Australia is among dozens of marine species killed by a toxic algal bloom. Photograph: L Cameron

More than 200 marine species, including deepwater sharks, leafy sea dragons and octopuses, have been killed by a toxic algal bloom that has been affecting South Australia’s coastline since March.

Nearly half (47%) of the dead species were ray-finned fish and a quarter (26%) were sharks and rays, according to OzFish analysis of 1,400 citizen scientist reports.

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