Luminous fish
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Fluorescent fish in Taiwan

29 March 2013 Last updated at 00:00 GMT

Fish farming is huge in Taiwan, and fluorescent ornamental fish are especially popular.

This fish was developed by the Fluorescent Angelfish company in Pingtung, in the south of the island.

To achieve fluorescence, researchers genetically modified the eggs of the fish, inserting a fluorescent gene naturally occurring in jellyfish.