Invasive Species Northern Ireland

Chinese mystery snail

Cipangopaludina chinensis

Status:

Potential

Habitat:

Freshwater

Threats:

Could outcompete native freshwater snails and impact nutrient cycling.

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Common Carp

Cyprinus carpio

Status:

Potential

Habitat:

Freshwater

Threats:

Alters habitat by consuming plants and invertebrates. Can impact water quality by increasing turbidity.

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Common yabby

Cherax destructor

Status:

Potential

Habitat:

Freshwater

Threats:

Can carry crayfish plague and outcompete native white-clawed crayfish.

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Dace

Leuciscus leuciscus

Status:

Potential

Habitat:

Freshwater

Threats:

Negative impacts on native salmonids.

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Eastern mosquitofish

Gambusia holbrooki

Status:

Potential

Habitat:

Freshwater

Threats:

Competes with native fish for food, habitat and spawning areas and consumes their eggs leading to population declines

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Fanwort

Cabomba caroliniana

Status:

Potential

Habitat:

Freshwater

Threats:

Competition with native species. Clogging of waterways. EU Species of Union Concern

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Fishhook waterflea

Cercopagis pengoi

Status:

Potential

Habitat:

Freshwater

Threats:

Competiton with native invertebrates. Negative impacts on native fish.

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Floating primrose - willow

Ludwigia peploides

Status:

Potential

Habitat:

Freshwater

Threats:

Shades out native plants and changes water chemistry

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Golden mussel

Limnoperna fortunei

Status:

Potential

Habitat:

Freshwater

Threats:

Fouls pipes, filters and intakes of water works. Colonises native bivalves and displaces native species. Increases algal blooms

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