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Brief Communications

Nature 440, 756 (6 April 2006) | doi:10.1038/440756a; Received 3 January 2006; Accepted 10 March 2006; Published online 5 April 2006

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Parasitology: Parasite survives predation on its host

Fleur Ponton1, Camille Lebarbenchon1,2, Thierry Lefèvre1, David G. Biron1, David Duneau1, David P. Hughes3 & Frédéric Thomas1

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As prisoners in their living habitat, parasites should be vulnerable to destruction by the predators of their hosts. But we show here that the parasitic gordian worm Paragordius tricuspidatus is able to escape not only from its insect host after ingestion by a fish or frog but also from the digestive tract of the predator. This remarkable tactic enables the worm to continue its life cycle.

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