Kōrero: Marine invaders

Testing mussels for toxins

Testing mussels for toxins

Some microalgae produce toxins. Shellfish that consume them also absorb the toxins, which can cause serious illness in people who eat the shellfish. These scientists are testing mussels during the worst toxic algal bloom recorded in New Zealand. This occurred over 2000 and 2001, when Gymnodinium catenatum spread around parts of the coast. The outbreak was detected before anyone was poisoned, and shellfish farms were closed until the danger had passed. The alga was thought to be a recent arrival, but it may have already been present in small numbers.

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New Zealand Herald
Reference: 15 September 2000

Permission of the New Zealand Herald must be obtained before any re-use of this image.

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Te tuhi tohutoro mō tēnei whārangi:

Christina Troup, 'Marine invaders - Invasive marine algae and plants in New Zealand', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/photograph/8678/testing-mussels-for-toxins (accessed 27 November 2020)

He kōrero nā Christina Troup, i tāngia i te 12 Jun 2006