麻豆约拍 Radio 4 - Saving Species, Series 3, Freshwater Eels and Mitten Crabs, Eel Surveying in the Ottawa River Valley, Canada

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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Image courtesy of Sian Griffiths

Saving Species—Series 3, Freshwater Eels and Mitten Crabs

22/24 Brett Westwood looks at the invasive Chinese mitten crab, plus freshwater eels.

麻豆约拍 Radio 4