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Saving Species Series 3, Freshwater Eels and Mitten Crabs Eel Surveying in the Ottawa River Valley, Canada
Reporter Sian Griffiths travelled to the Ottawa River Valley to explore the American eel's habitat.
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Saving Species—Series 3, Freshwater Eels and Mitten Crabs
22/24 Brett Westwood looks at the invasive Chinese mitten crab, plus freshwater eels.
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