Species Accounts

Quagga mussel
Dreissena rostriformis bugensis
Status:
Established
Habitat:
Freshwater
Threats:
Fouling, negative impacts on native species and local extinction of unionids.
Raccoon
Procyon lotor
Status:
Potential
Habitat:
Terrestrial
Threats:
Voracious predator and can cause decline of waterfowl. disease vector.
Raccoon Dog
Nyctereutes procyonoides
Status:
Potential
Habitat:
Terrestrial
Threats:
Highly adaptable to new habitats. Voracious predator. Disease and parasite vector
Red Imported Fire Ant
Solenopsis invicta
Status:
Potential
Habitat:
Terrestrial
Threats:
Damage electrical equipment, feed on commercially important crops; competition with, predation and stinging of other animals
Red king crab
Paralithodes camtschaticus
Status:
Potential
Habitat:
Marine
Threats:
Competition with native species.
Red swamp crayfish
Procambarus clarkii
Status:
Potential
Habitat:
Freshwater
Threats:
Outcompetes the native European crayfish. Degrades riverbanks through burrowing
Red-eared, yellow-bellied and Cumberland sliders
Trachemys scripta spp.
Status:
Established
Habitat:
Freshwater
Threats:
It disturbs aquatic habitats and poses a human health risk, being a possible reservoir for salmonella
Red-vented bulbul
Pycnonotus cafer
Status:
Potential
Habitat:
Terrestrial
Threats:
Destroys commercially important crops. May spread invasive plant seeds. Competes with native birds for food and space
Rhododendron
Rhododendron ponticum
Status:
Established
Habitat:
Terrestrial
Threats:
Competition with native plants.

Invasive Species Northern Ireland