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A new invasive shrimp in the UK

A new invasive freshwater shrimp has been found in the West Midlands. Dikerogammarus haemobaphes was found on the River Severn at Tewkesbury, the Bevere near Worcester, and also in two Worcestershire canals.

Image: Dikerogammarus haemobaphes © APEM Ltd

Although related to the 'Killer shrimp' Dikerogammarus villosus, it is not yet clear what the impact of this new species will be however it is being treated as a high impact species while further assessment is taking place.

David Throup, Environment Manager for the Environment Agency said, "We are concerned that this invasive species has been found in the Midlands. We now have a dedicated team whose focus is to establish the degree of the problem, and whether the shrimp has spread wider than the locations already found. We are treating this as a priority so that we can come up with a plan to help contain it's spread as far as possible."

Biosecurity is vital to control of non-native species and all water users should help to stop the spread by following the advice of the Check, Clean, Dry campaign.

If you think you have seen an unusual shrimp, please email a photograph to for identification.