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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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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Black Bullhead Catfish

Ameiurus melas

Status:

Potential

Habitat:

Freshwater

Threats:

Competes with native wildlife for food and space and reduces native fish species, consuming fish and eggs

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Broadleaf watermilfoil

Myriophyllum heterophyllum

Status:

Potential

Habitat:

Freshwater

Threats:

It creates mats that impede the water flow and reduce sunlight and oxygen availability.

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Brown bullhead catfish

Ameiurus nebulosus

Status:

Potential

Habitat:

Freshwater

Threats:

Negative impacts on native fish species.

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Chinese mitten crab

Eriocheir sinensis

Status:

Potential

Habitat:

Freshwater

Threats:

Threatens ecosystem functioning and protected species.

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