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Eels Reborn: Britain's Waterways Welcome Back Elusive Creatures
13 Apr
Summary
- Eel populations dropped by 94% in the 1980s due to pollution and barriers.
- Artificial rope habitats, called eel mops, are being deployed in rivers.
- Citizen scientists are crucial for monitoring eel reintroduction efforts.

European eels, once considered 'unknown' and 'unusual,' are experiencing a resurgence in Britain's rivers. These fascinating creatures faced a dramatic 94% population decline in the 1980s, attributed to pollution, parasites, and river obstacles. Projects are now underway to reintroduce them and restore ecological balance.
Innovative methods include deploying 'eel mops'—synthetic rope habitats that mimic natural shelters—in rivers like the Kennet. Dr. Emily Best is leading efforts to use citizen scientists to monitor these sites across Wiltshire and Berkshire. These eels undertake an incredible journey, born in the North Atlantic's Sargasso Sea and migrating thousands of miles to freshwater estuaries.
The initiative, supported by Action for the River Kennet (ARK) and funded by the National Lottery, aims to reconnect communities with their local rivers and the critically endangered European eel. Educational events and workshops are also being developed to raise awareness.