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American lobster
Homarus americanus
Status:
Potential
Habitat:
Marine
Threats:
Highly adaptable to new environments and food sources. Highly reproductive.
Find out more ›
Asian clam
Corbicula fluminea
Status:
Established
Habitat:
Freshwater
Threats:
Competition with native species. Biofouling.
Find out more ›
Asian hornet
Vespa velutina
Status:
Potential
Habitat:
Terrestrial
Threats:
A highly aggressive predator of native insects, posing a significant threat to honey bees and other pollinators.
Find out more ›
Chinese mitten crab
Eriocheir sinensis
Status:
Potential
Habitat:
Freshwater
Threats:
Threatens ecosystem functioning and protected species.
Find out more ›
Egyptian goose
Alopochen aegyptiacus
Status:
Potential
Habitat:
Terrestrial
Threats:
Hybrisation with goose and duck species. Disease vector. Overgrazing. Outcompetes native fauna.
Find out more ›
Oak Processionary Moth
Thaumetopoea processionea
Status:
Potential
Habitat:
Terrestrial
Threats:
Tree pest. Health risk to humans and animals.
Find out more ›
Pacific or Pink humpback salmon
Oncorhynchus gorbuscha
Status:
Potential
Habitat:
Freshwater
Threats:
Has a high reproductive rate. May predate on native plankton, crustaceans and smaller fish.
Find out more ›
Quagga mussel
Dreissena rostriformis bugensis
Status:
Established
Habitat:
Freshwater
Threats:
Fouling, negative impacts on native species and local extinction of unionids.
Find out more ›
Ring - necked or rose - ringed parakeet
Psittacula krameri
Status:
Early stage establishment
Habitat:
Terrestrial
Threats:
Competition to native hole - nesting birds
Find out more ›
Invasive Species Northern Ireland
Invasive Species Northern Ireland
Invasive Species Week 2022
ISW 2022 Events & Webinars
Back
About ISNI
Research
Invasive Species Maps
Back
Legislation
EU IAS Regulation
Management Measures for Widely Spread Species
Back
Northern Ireland
Policy Documents for Northern Ireland
Back
Species Accounts
Species Alerts
American lobster – Retain & Report
List of identification guides
Back
What can I do?
Invasive Plant Management
Site Management Resources
Back
Biosecurity & Prevention
Pathway Action Plans
Check Clean Dry
Guidance for Anglers
Guidance for boaters
Guidance for canoeists, kayakers and stand up paddle boarders
Guidance for Aquaculture
Guidance for field workers
Guidance for clubs and managers of water bodies
Guidance for events
Check Clean Dry Resources
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