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American lobster
Homarus americanus
Status:
Potential
Habitat:
Marine
Threats:
Highly adaptable to new environments and food sources. Highly reproductive.
Asian hornet
Vespa velutina
Status:
Potential
Habitat:
Terrestrial
Threats:
A highly aggressive predator of native insects, posing a significant threat to honey bees and other pollinators.
Coypu
Myocastor coypus
Status:
Established
Habitat:
Terrestrial
Threats:
Riparian, wetland habitats destruction
Crayfish plague
Aphanomyces astaci
Status:
Established
Habitat:
Freshwater
Threats:
Destruction of the native White - Clawed Crayfish population
Pacific or Pink humpback salmon
Oncorhynchus gorbuscha
Status:
Established
Habitat:
Freshwater
Threats:
Has a high reproductive rate. May predate on native plankton, crustaceans and smaller fish.
Water primrose
Ludwigia grandiflora
Status:
Potential
Habitat:
Freshwater
Threats:
Choke waterways and competing with native species
Whitetop weed
Parthenium hysterophorus
Status:
Potential
Habitat:
Terrestrial
Threats:
Competes with native species
Invasive Species Ireland

Invasive Species Ireland