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Published online 18 August 2004 | Nature | doi:10.1038/news040816-5

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Species mix across Panama Canal

Fish get new neighbours as ecosystems mingle.

When the Panama Canal opened in 1914, it was a tremendous boon to the shipping industry. But research shows that it is not only boats that have taken advantage of the shortcut: several of Central America's fish species have also made the journey.

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