Fanwort
Cabomba caroliniana
Status:
Potential
Habitat:
Freshwater
Threats:
Competition with native species. Clogging of waterways. EU Species of Union Concern
Fishhook waterflea
Cercopagis pengoi
Status:
Potential
Habitat:
Freshwater
Threats:
Competiton with native invertebrates. Negative impacts on native fish.
Floating primrose - willow
Ludwigia peploides
Status:
Potential
Habitat:
Freshwater
Threats:
Shades out native plants and changes water chemistry
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.
Pacific or Pink humpback salmon
Oncorhynchus gorbuscha
Status:
Potential
Habitat:
Freshwater
Threats:
Has a high reproductive rate. May predate on native plankton, crustaceans and smaller fish.
Pumpkinseed
Lepomis gibbosus
Status:
Potential
Habitat:
Freshwater
Threats:
Highly adaptable to different environments. Fast growing ang high reproductive capacity. Has a broad diet.
Invasive Species Ireland

Invasive Species Ireland