Vampire fish: Blood-sucking river monsters return to Britain’s waters for summer

The number of lampreys – a metre-long eel-like fish with razor-sharp teeth – in Britain’s rivers has rocketed.

Those who fancy a quick dip to cool off this summer have been told to look out for one metre long lampreys, with razor-sharp teeth, in Britain’s waterways.

The ‘vampire fish’ have funnel-like mouths which are designed to clamp on to skin so they can feast on flesh.

Milton Keynes wild swimmer Matt Clarke, 31, who swims in the River Great Ouse as it runs through Olney, told the Daily Mail he was alerted to the dangers of the fish after watching River Monsters, the ITV documentary.

Where are Sea Lampreys Found?

Sea lampreys entered the Great Lakes from the Atlantic Ocean through man-made shipping canals and were first observed in Lake Ontario in the 1830’s. Niagara Falls acted as a natural barrier preventing sea lamprey movement to Lakes Erie, Huron, Michigan, and Superior. However, when the Welland Canal, constructed to bypass the falls, was deepened in 1919, sea lampreys gained access to the rest of the Great Lakes. By 1938, they had invaded all of the Great Lakes.

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