Genetically modified fish that glow in the dark are being credited with reviving sales of aquatic pets in the US.
But the arguments over these engineered curiosities have highlighted the potential for the GM animal debate to eclipse even that of biotech plants.
The pet zebrafish fluoresce green or red. The greens have a gene added from jellyfish; the reds contain a gene found in coral.

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I've kept fish (tropical and cold water) for years, it's never been a secret that breeders cross all sorts of fish together to try and get something a bit different.

Not sure about gentically engineering them, doesn't sound too different to me.....

i want GoKu to overclock my modified fish....