Karenia cristata identified as most toxic algal species, threatens marine life (australia) — ABC News – Australia
ABC News – Australia ·australia ·1 hour ago

Karenia cristata identified as most toxic algal species, threatens marine life

Research has identified Karenia cristata as the most toxic algal species studied, responsible for a devastating bloom in South Australia that began in March 2025. Laboratory tests revealed that even low concentrations of this algae can cause significant harm to marine life. Experts warn of its potential impact if it spreads to other coastal regions.

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Published 07 Jul 2026, 20:20 UTC · Updated 07 Jul 2026, 20:30 UTC

Summary by OZbrief Editorial. Original report: ABC News – Australia. Editorial policy · Corrections