Invasive Species Northern Ireland

Rugulopteryx okamurae

Status:

Potential

Habitat:

Marine

Threats:

Displaces native species, reduces biodiversity and alters community structure. Floating biomass impacts fisheries and tourism

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Rusty Crayfish

Faxonius rusticus

Status:

Potential

Habitat:

Freshwater

Threats:

Outcompete native crayfish for food and resources, reduce aquatic vegetation cover

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Sacred ibis

Threskiornis aethiopicus

Status:

Potential

Habitat:

Terrestrial

Threats:

It outcompetes and predates on native water birds

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Salvinia moss

Salvinia molesta

Status:

Potential

Habitat:

Freshwater

Threats:

Grows rapidly. Spreads vegetatively. May smother out other plants.

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Senegal tea plant

Gymnocoronis spilanthoides

Status:

Potential

Habitat:

Freshwater

Threats:

Fast growing. Pioneer species. Highly adaptable to new environments.

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Shovel-headed garden worm

Bipalium kewense

Status:

Potential

Habitat:

Terrestrial

Threats:

Predation on native earthworm species, impacting soil health and nutrient cycling.

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Silky hakea

Hakea sericea

Status:

Potential

Habitat:

Terrestrial

Threats:

Increases wildfire intensity. Reduces species richness, supressing and excluding native flora

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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

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Sosnowsky’s hogweed

Heracleum sosnowskyi

Status:

Potential

Habitat:

Terrestrial

Threats:

Once established, the species is almost impossible to eradicate

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