Get all your news in one place.
100's of premium titles.
One app.
Start reading
The Guardian - AU
The Guardian - AU
Environment
Petra Stock

Second wave of South Australia’s toxic algal bloom could be imminent, scientist warns

A dead puffer fish on the beach
Dead fish at West Beach in Adelaide in July 2025 amid the algal bloom that devastated South Australian coastlines. Photograph: Matt Turner/EPA

An ocean scientist has warned that a “second wave” of South Australia’s toxic algal bloom could be imminent, as algae levels skyrocket near the southern tip of the Eyre Peninsula.

At the end of April, Australia’s largest and most destructive algal bloom appeared to be dissipating, with low or zero levels of the toxic Karenia cristata algae recorded almost everywhere in the state – except for Bickers Island at the bottom of Spencer Gulf, west of Adelaide, where the algae was recorded at concentrations of 16,490 cells per litre.

Sign up to read this article
Read news from 100's of titles, curated specifically for you.
Already a member? Sign in here
Related Stories
Top stories on inkl right now
One subscription that gives you access to news from hundreds of sites
Already a member? Sign in here
Our Picks
Fourteen days free
Download the app
One app. One membership.
100+ trusted global sources.