Ruddy duck
Oxyura jamaicensis
Status:
Established
Habitat:
Terrestrial
Threats:
Negative impacts on the survival of the White-headed duck.
Ruffe
Gymnocephalus cernuus
Status:
Potential
Habitat:
Freshwater
Threats:
Negative impacts on native fish communities.
Sacred Ibis
Threskiornis aethiopicus
Status:
Potential
Habitat:
Terrestrial
Threats:
It outcompetes and predates on native water birds
Siberian Chipmunk
Tamias sibericus
Status:
Established
Habitat:
Terrestrial
Threats:
Competes with native rodents and may have a local impact on ground-nesting birds. Potential disease vector.
Slipper Limpet
Crepidula fornicata
Status:
Established
Habitat:
Marine
Threats:
Habitat Alteration.
Small Asian Mongoose
Herpestes javanicus
Status:
Potential
Habitat:
Terrestrial
Threats:
It is an oppertunisitic feeder, and will impact on native mammals, amphibians, birds and reptiles
Smooth cordgrass
Spartina anglica
Status:
Established
Habitat:
Marine
Threats:
Negative impacts on native intertidal communities.
Sosnowsky’s hogweed
Heracleum sosnowskyi
Status:
Potential
Habitat:
Terrestrial
Threats:
Once established, the species is almost impossible to eradicate
Spiny-cheek crayfish
Orconectes limosus
Status:
Potential
Habitat:
Freshwater
Threats:
Threat to the native European crayfish
Invasive Species Ireland

Invasive Species Ireland