Ones to Watch Out For

There are many more invasive non native species that threaten to invade the Dee catchment.  These species are either found in nearby river catchments or are at very high risk of being introduced accidentally from other areas in the UK or overseas. 

killer shrimp EA


Killer shrimp more






Zebra mussel more







Asian hornet more





Carpet sea squirt more




asian shore crab



Asian shore crab more




Gyrodactylus salaris


Gyrodactylus salaris more