American lobster
Homarus americanus
Status:
Potential
Habitat:
Marine
Threats:
Highly adaptable to new environments and food sources. Highly reproductive.
Asian rapa whelk
Rapana venosa
Status:
Potential
Habitat:
Marine
Threats:
Serious implications for marine bivalve survival.
Asian shore crab
Hemigrapsus sanguineus
Status:
Potential
Habitat:
Marine
Threats:
High reproductive potential. May outcompete native species.
Brush-clawed shore crab
Hemigrapsus takanoi
Status:
Potential
Habitat:
Marine
Threats:
High reproductive capacity. Outcompete native crabs.
Dwarf eelgrass
Zostera japonica
Status:
Potential
Habitat:
Marine
Threats:
Can reduce seabird foraging opportunities
Giant kelp
Macrocystis pyrifera
Status:
Potential
Habitat:
Marine
Threats:
Outcompete native plants, shading and reduction in oxygen levels
Oyster drill
Ceratostoma inornatum and Urosalpinx cinerea
Status:
Potential
Habitat:
Marine
Threats:
Serious impacts on oyster populations.
Red king crab
Paralithodes camtschaticus
Status:
Potential
Habitat:
Marine
Threats:
Competition with native species.
Rugulopteryx okamurae
Rugulopteryx okamurae
Status:
Potential
Habitat:
Marine
Threats:
Displaces native species, reduces biodiversity and alters community structure. Floating biomass impacts fisheries and tourism
Invasive Species Northern Ireland

Invasive Species Northern Ireland