The giant cuttlefish and the deadly algal bloom

E1856 - The giant cuttlefish and the deadly algal bloom

Published: March 21, 2026

Duration: 14:21

It’s been one year since dead fish began washing up on South Australian beaches, as the largest algal bloom in Australia’s history spread along the coast.

Marine ecologist Dr Scott Bennett was part of the team that first surveyed the bloom – coming face to face with the algae’s devastating impact.

Twelve months on, the bloom is still there, the damage has spread, and many of the warnings scientists made in those early days have proved well founded – particularly the damage to marine life.

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