A “hit list” of the ten invasive species which pose the biggest threat to
native wildlife on Britain’s waterways and cost £1.7bn a year to tackle has
been released by the Environment Agency.
Top 10 Invasive Species
American Signal Crayfish
Top Mouth Gudgen
Chinese Mitten Crab
EA press release at: http://www.environment-agency.gov.uk/news/132112.aspx