Enter the mysterious world of the river with film-maker Jack Perks

Jack Perks is the first man to film or photograph every one of the UK's 54 species of freshwater fish. In this episode, we go fish watching with him on the River Frome and meet a host of wild creature, learn how he found and filmed all these elusive animals and discover some of the stranger 'fisherman's tales' from his adventures. This is the first of 12 episode in season 3. Find out more on countryfile.com

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