Indian house crow
Corvus splendens
Status:
Potential
Habitat:
Terrestrial
Threats:
Predator of bird and small mammal species.
Japanese hop
Humulus scandens
Status:
Potential
Habitat:
Terrestrial
Threats:
Outcompetes native species.
Japanese knotweed
Fallopia japonica
Status:
Established
Habitat:
Terrestrial
Threats:
Reduction of species diversity.
Japanese Rose
Rosa rugosa
Status:
Established
Habitat:
Terrestrial
Threats:
Alters soil nutritrion, leading to altered native species biodiversity. May alter coastal landscape by forming sand dunes
Japanese skeleton shrimp
Caprella mutica
Status:
Established
Habitat:
Marine
Threats:
Reproduces quickly. Outcompetes native species.
Japanese stiltgrass
Microstegium vimineum
Status:
Potential
Habitat:
Terrestrial
Threats:
It creates dense impenetrable stands that crowd out the native vegetation within 3-5 years
Killer shrimp
Dikerogammarus villosus
Status:
Potential
Habitat:
Freshwater
Threats:
Efficient predator. Adapatable to new freshwater systems. Highly mobile.
Leathery sea squirt
Styela clava
Status:
Established
Habitat:
Marine
Threats:
Competes against native species for food and space. Fouls boats, oyster beds and moorings
Marbled crayfish
Procambarus fallax f. virginalis
Status:
Potential
Habitat:
Freshwater
Threats:
Potential threat of native crayfish. Potential threat to wetlands by extensive burrowing activities.
Invasive Species Ireland

Invasive Species Ireland