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Accelerated Evolution

Clownfish swim amongst white bleached coral under the shadow of a shark. One fish says, 'Don't worry, thanks to millions of years of evolution he'll never see us.'

The popularity of the clown fish has grown exponentially since the success of the 2003 animated film Finding Nemo. Along with 1,500 other species of fish, its Australian home is the Great Barrier Reef. As Pat Hudson suggests, climate change, which causes warmer oceans and leads to coral bleaching, means it’s now much easier to find Nemo.