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-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
Ruffe
Gymnocephalus cernuus
Status:
Potential
Habitat:
Freshwater
Threats:
Negative impacts on native fish communities.
Rugulopteryx okamurae
Rugulopteryx okamurae
Status:
Potential
Habitat:
Marine
Threats:
Displaces native species, reduces biodiversity and alters community structure. Floating biomass impacts fisheries and tourism
Rusty Crayfish
Faxonius rusticus
Status:
Potential
Habitat:
Freshwater
Threats:
Outcompete native crayfish for food and resources, reduce aquatic vegetation cover
Sacred ibis
Threskiornis aethiopicus
Status:
Potential
Habitat:
Terrestrial
Threats:
It outcompetes and predates on native water birds
Salvinia moss
Salvinia molesta
Status:
Potential
Habitat:
Freshwater
Threats:
Grows rapidly. Spreads vegetatively. May smother out other plants.
Invasive Species Northern Ireland

Invasive Species Northern Ireland