AnglingTrust The voice of Angling

Invasives Campaigns Feature

Identifying invasive species A table of 17 invasive species including Killer shrimp, Topmouth gudgeon and Signal crayfish and information on their identification and control

Invasive Non-Native Species

Our rivers, canals, lakes and ponds are under threat. Plants and animals from other countries are finding their way into our waterways after being imported for ornamental or agricultural use.

Many of these non-native species wither and die in the wild. Others survive, but don't spread rapidly. A few spread like wildfire, as they don't have the natural controls of diseases, predators and grazers to keep them in check. They can therefore do massive damage to our water environment and negatively impact our fishing. These are known as Invasive Non-Native Species.

Recognising the detrimental impacts invasive species can have on our environment and economy, an EU Regulation on Invasive Alien Species (1143/2014) came into force in January 2015. The Angling Trust are working to ensure effective implementation of this regulation and to encourage Government to take action on invasive species more broadly. This work has been funded by rod licence money from the Environment Agency. We are also working with organisations like The Rivers Trusts and the Riverfly Partnership's Angling Monitoring Initiative groups to set up procedures to control and eradicate these species that threaten the objectives of the Water Framework Directive.

Part of the Regulation also involves the production of guidance for different recreational users - including anglers - that outlines measures clubs, anglers and the land owners can implement to reduce the risk of invasive species being introduced to their waters. This includes a variety of free materials and information on the potential risks of invasive species spread associated with fish stocking and habitat management. For more information, please refer to our ‘Invasive species guidance and resources for clubs and fisheries’’ page

Simple measures every angler can undertake to stop the spread of invasive species:

Invasive species can be spread between water bodies a variety of ways. One of these includes anglers accidentally carrying these species on their clothing and fishing gear from one site to another.

The Angling Trust urges all anglers to carefully think about this and how you can help with what is called biosecurity.

The Check, Clean Dry, campaign launched in 2011 provides guidance to anglers and other water users on how to clean equipment to ensure the removal of unwanted organisms and diseases. After fishing ensure to:

1. Check your equipment and remove any attached organisms,

2. Clean your equipment ideally using hot water for at least 15 minutes or a pressure washer,

3. Dry out your clothing and fishing tackle, especially nets, ideally in sunlight, before fishing again.

This is especially important when going to fish a different water and returning from a trip abroad – carp anglers know the importance of this in spreading KHV, salmon anglers will know the importance with potentially spreading salmon fluke Gyrodactylus salaris. The deadly crayfish plague carried by signal crayfish can survive on damp clothing for up to 10 days (for more information and posters see the crayfish section). If drying out is not a viable option consider having one set of kit for your favourite water and another for travelling to waters you fish less often. Disinfecting kit is an option using Virkon aquatic 1% solution generally available through the aquatic trade.

Another major route for invasive species to enter the wild is through species escaping from nearby gardens, or unwanted plant material being dumped into our waterways. The Be Plantwise campaign aims to increase awareness amongst gardeners, pond owners and retailers of the impact aquatic plants and provide information on how to dispose of these plants correctly. The Angling Trust assisted in the design of this scheme and supports this best practice outlined in the campaign and encourages anglers to check the names of plant species before introducing any species into their waters.

Catchment based approach

Anglers are already expending considerable effort in trying to tackle this threat to our fishing but we recognise that to be more effective this needs to be co-ordinated on a catchment basis. The Angling Trust is therefore working with a variety of stakeholders to achieve this. Our work to eradicate Floating Pennywort on the River Kennet and Colne highlights how angling clubs, consultants and environmental organisations can come together to coordinate action within a catchment. By working together we can make a significant impact on these threats to our fishing.

Contact: Angling Trust Eastwood House, 6 Rainbow Street, Leominster, Herefordshire HR6 8DQ
Tel: 0343 5077006 (For Membership enquiries select Option 1) |
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Office hours are Mon - Thu 9.00-5.00 and Fri 4.30. Please leave a message if you call outside these hours or email us.
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