A guide to the flora
and fauna of the world
All images by the ICZ
A zebrafish encoded with a green fluorescent protein originally extracted from a jellyfish was developed by a team of scientists in Singapore in 1999. The goal was to develop a fish that could detect pollution by fluorescing in the presence of environmental toxins. They are the first commercially available genetically modified fish and are widely sold as novelty pets in the United States today.
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