Species Accounts – Invasive Species Northern Ireland

African clawed frog

Xenopus laevis

Status:

Potential

Habitat:

Freshwater

Threats:

Competes with and predates on native species. Clogs water pipes and invade houses. A vector for parasites.

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Alligator weed

Alternanthera philoxeroides

Status:

Potential

Habitat:

Freshwater

Threats:

Chokes up riverine habitats when it becomes established

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American bullfrog

Lithobates catesbeianus

Status:

Potential

Habitat:

Freshwater

Threats:

Can outcompete and displace native species. Spreads diesease.

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American lobster

Homarus americanus

Status:

Potential

Habitat:

Marine

Threats:

Highly adaptable to new environments and food sources. Highly reproductive.

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American mink

Neovison vison

Status:

Established

Habitat:

Terrestrial

Threats:

Predates on native species. Highly mobile.

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American skunk cabbage

Lysichiton americanus

Status:

Established

Habitat:

Terrestrial

Threats:

Since the species is able to build dense stands, smaller plants growing in wetlands are out-competed by shadowing.

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Amur sleeper

Perccottus glenii

Status:

Potential

Habitat:

Freshwater

Threats:

Voracious predator of amphibians and fish. Outcompetes native species. Possible disease vector

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Apple snails

Pomacea spp.

Status:

Potential

Habitat:

Freshwater

Threats:

Alter aquatic ecosystems, increasing nutrient concentrations and phytoplankton biomass. A vector for harmful parasites.

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Asian clam

Corbicula fluminea

Status:

Established

Habitat:

Freshwater

Threats:

Competition with native species. Biofouling.

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