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Story: Plankton

The toxic Karenia brevisulcata

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The toxic <em>Karenia brevisulcata</em>

Many toxic blooms of plankton are caused by dinoflagellates. This electron microscope photograph shows 16 cells of Karenia brevisulcata, the species responsible for the mass poisoning of marine life around the southern coast of the North Island from January to March 1998.

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NIWA – National Institute of Water and Atmospheric Research

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How to cite this page

Maggy Wassilieff, Plankton – Toxic blooms, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/5141/the-toxic-karenia-brevisulcata (accessed 4 June 2026).

Story by Maggy Wassilieff, published 2 March 2009.