Invasive Species Northern Ireland

American lobster

Homarus americanus

Status:

Potential

Habitat:

Marine

Threats:

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

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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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Brush-clawed shore crab

Hemigrapsus takanoi

Status:

Potential

Habitat:

Marine

Threats:

High reproductive capacity. Outcompete native crabs.

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Oyster drill

Ceratostoma inornatum and Urosalpinx cinerea

Status:

Potential

Habitat:

Marine

Threats:

Serious impacts on oyster populations.

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Red king crab

Paralithodes camtschaticus

Status:

Potential

Habitat:

Marine

Threats:

Competition with native species.

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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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Striped eel catfish

Plotosus lineatus

Status:

Potential

Habitat:

Marine

Threats:

Outcompetes and predates on native species

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