Invasive Species Ireland

Asian rapa whelk

Rapana venosa

Status:

Potential

Habitat:

Marine

Threats:

Serious implications for marine bivalve survival.

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Asian shore crab

Hemigrapsus sanguineus

Status:

Potential

Habitat:

Marine

Threats:

High reproductive potential. May outcompete native species.

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Asiatic tearthumb

Persicaria perfoliata

Status:

Potential

Habitat:

Terrestrial

Threats:

Reduction in biodiversity

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Australian flatworm

Australoplana sanguinea

Status:

Potential

Habitat:

Terrestrial

Threats:

Threat to native earthworms. Predatory.

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Balloon vine

Cardiospermum grandiflorum

Status:

Potential

Habitat:

Terrestrial

Threats:

Vector of disease. Can cause disease.

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Bamboo

Sasa palmata & Pseudosasa japonica

Status:

Established

Habitat:

Terrestrial

Threats:

Quick growing. Suppresses native plants. Reproduces asexually.

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Black rat

Rattus rattus

Status:

Established

Habitat:

Terrestrial

Threats:

Negative impacts on native flora and fauna.

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Bloody-red shrimp

Hemimysis anomala

Status:

Established

Habitat:

Freshwater

Threats:

Alteration of ecosystem dynamics. Competition with native species.

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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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