A Karenia mikimotoi harmful algal bloom has been detected in South Australian waters, with potential impacts on marine life and public health.
Community members are encouraged to stay updated via the following official channels:
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SA Health – Public Health Advice
For current water quality alerts and health advice:
www.sahealth.sa.gov.au – Water Quality Alerts -
PIRSA – Situation Updates
Access the latest situation reports, maps, and data:
www.pir.sa.gov.au – Harmful Algal Bloom -
Department for Environment and Water – Environmental Investigations
Updates on related impacts including fish deaths and wildlife health:
www.environment.sa.gov.au – News Hub - SA Marine Mortality Events 2025
Ongoing data collection for South Australia’s 2025 fish mortality events is underway. This project automatically compiles observations of aquatic vertebrates and macroinvertebrates noted as ‘dead’ from February 2025 onwards:
https://www.inaturalist.org/projects/sa-marine-mortality-events-2025?tab=observations
We urge all residents and visitors to follow official guidance and check these sources regularly for updates.



