Gyrodactylus salaris
Gyrodactylus salaris
Status:
Potential
Habitat:
Freshwater
Threats:
Serious negative impacts on salmonid stocks.
Killer shrimp
Dikerogammarus villosus
Status:
Potential
Habitat:
Freshwater
Threats:
Efficient predator. Adapatable to new freshwater systems. Highly mobile.
Marbled crayfish
Procambarus fallax f. virginalis
Status:
Potential
Habitat:
Freshwater
Threats:
Potential threat of native crayfish. Potential threat to wetlands by extensive burrowing activities.
North American signal crayfish
Pacifastacus leniusculus
Status:
Potential
Habitat:
Freshwater
Threats:
Detrimental impacts on white clawed crayfish. Human health impacts.
Pumpkinseed
Lepomis gibbosus
Status:
Potential
Habitat:
Freshwater
Threats:
Highly adaptable to different environments. Fast growing ang high reproductive capacity. Has a broad diet.
Quagga mussel
Dreissena bugensis
Status:
Potential
Habitat:
Freshwater
Threats:
Fouling, negative impacts on native species and local extinction of unionids.
Red swamp crayfish
Procambarus clarkii
Status:
Potential
Habitat:
Freshwater
Threats:
Outcompetes the native European crayfish. Degrades riverbanks through burrowing
Ruffe
Gymnocephalus cernuus
Status:
Potential
Habitat:
Freshwater
Threats:
Negative impacts on native fish communities.
Salvinia moss
Salvinia molesta
Status:
Potential
Habitat:
Freshwater
Threats:
Grows rapidly. Spreads vegetatively. May smother out other plants.
Invasive Species Ireland

Invasive Species Ireland