Hogsmill eels get a helping hand

Volunteers and staff from the Thames Anglers Conservancy and the Zoological Society of London (ZSL) joined forces this week with the Wandle Trust to help eels enter the Hogsmill River that runs through the centre of Kingston.

The European eel is now considered Critically Endangered due to the drop in the number of young eels (elvers) entering our rivers. It is a wonderful and iconic species with a life cycle that encompasses a 10,000 km round trip from the Sargasso Sea. Despite being such a long distance traveller eels aren’t particularly good swimmers .Volunteers from Kingston University, with the support of ZSL, have been monitoring the number of elvers (young eel) migrating up the Hogsmill and are yet to find any.  A possible reason for this is that they can’t get past the steep smooth concrete channel under Clattern Bridge.

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Richard making some adjustments at the top of the weir

By adding special ‘eel tiles’ to the riverbed that give the eels something to crawl through we hope that we can help them enter the Hogsmill. If we can open up all of London’s rivers more eels will grow to maturity in London meaning more will be able to swim back to the Sargasso Sea to breed.

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Attaching the eel tiles

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Eel tiles in place

It was great to be able to work in collaboration with TAC and ZSL. By working locally on our rivers we are able to make a difference on an issue that goes far beyond our shores.

Many thanks to Dave,  Keith, Richard  (TAC) and Joe (ZSL) for their enthusiastic help with this project!                                                             TAC image zsl logoWandle_Trust_Logo_HighRes

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