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Toxic algae cripples businesses
- Since March 2025, a toxic algal outbreak off the coast of South Australia has caused the deaths of approximately 100 species of fish and an equal number of other marine animals, suffocating them near the sea floor and around reef habitats.
- The bloom involves multiple algae types, including Karenia mikimotoi linked to high sea temperatures, which act like a toxic blanket attacking fish gills, blood cells, and nervous systems.
- Affected species include deepwater sharks, leafy sea dragons, flathead, squid, crabs, and rock lobsters, and citizen scientists collected over 1,400 data records for OzFish charity monitoring.
- Fishing charters on Kangaroo Island canceled bookings with refunds and oyster farms on Yorke Peninsula entered quarantine, causing tens of thousands of dollars in business losses and threatening fisheries long term.
- Brad Martin of OzFish said recovery will take years due to multiple algae types, and government support is being urged as the full offshore impact and long-term consequences remain uncertain.
12 Articles
12 Articles
Sydney Morning Herald
Toxic algae cripples businesses
The toxic algae crisis that has been devastating South Australia's coastline is now crippling businesses.
Toxic algae crisis cripples businesses in South Australia
The fishing industry is on high alert as the toxic algae crisis that has been devastating South Australia's coastlines now cripples businesses.Tourism operators are losing tens of thousands of dollars on Kangaroo Island while on the York Peninsula, oyster farmers have been forced into quarantine.Footage shows the waters off Kangaroo island with not a single fish in sight.READ MORE: Teen caught allegedly trying to enter AFL match with imitation g…
Hundreds of Marine Species Suffocate in Toxic Algae
Hundreds of species of fish and marine life have been suffocated to death after being blanketed by a toxic algae. About 100 different types of fish and sharks, and another 100 marine creatures have died in an algae bloom in South Australian waters since March, according to data released on May 10. More than 1,400 data records captured by citizen scientists from mid-March to early May were provided to fish habitat charity OzFish. The charity’s So…
The Canberra Times
Hundreds of marine species suffocate in toxic algae
In what has been described as a "'horror movie for fish", hundreds of species off the Australian coast...
Australian National Review - Hundreds of Marine Species Suffocate in Toxic Algae
Hundreds of species of fish and marine life have been suffocated to death after being blanketed by a toxic algae. About 100 different types of fish and sharks, and another 100 marine creatures have died in an algae bloom in South Australian waters since March, according to data released on May 10. More than 1,400 data records captured by citizen scientists from mid-March to early May were provided to fish habitat charity OzFish. The charity’s So…
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