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Species Alerts
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Species Alerts
Established
Freshwater
Marine
Terrestrial
Potential
Freshwater
Marine
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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 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 ›
Coypu
Myocastor coypus
Status:
Potential
Habitat:
Terrestrial
Threats:
Riparian, wetland habitats destruction
Find out more ›
Egyptian goose
Alopochen aegyptiacus
Status:
Potential
Habitat:
Terrestrial
Threats:
Hybridization with goose and duck species. Disease vector. Overgrazing. Outcompetes native fauna.
Find out more ›
North American signal crayfish
Pacifastacus leniusculus
Status:
Potential
Habitat:
Freshwater
Threats:
Detrimental impacts on white clawed crayfish. Human health impacts.
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 ›
Raccoon
Procyon lotor
Status:
Potential
Habitat:
Terrestrial
Threats:
Voracious predator and can cause decline of waterfowl. disease vector.
Find out more ›
Invasive Species Northern Ireland
Invasive Species Northern Ireland
About ISNI
About Invasive Species
Research
Invasive Species Maps
Back
Legislation
International
European Union
Species of Union Concern
Widely Spread Species in NI
Back
Northern Ireland Only
Back
Species Accounts
Species Alerts
List of identification guides
Back
Biosecurity & Prevention
What can I do?
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 Divers
Guidance for clubs and managers of water bodies
Guidance for events
Check Clean Dry Resources
Back
Be Pet Wise
Pet Owners
Pet Traders
Be Pet Wise Resources
Back
Be Plant Wise
Are you a retailer?
Are you a gardener/pond owner?
Know What You Grow
Stop The Spread
Compost with Care
Be Plant Wise Resources
Back
Back
Pathway Action Plans
Back
Managing the Problem
Invasive Plant Management
Site Management Resources
Back
Resources
Invasive Species Week
Highlights from Invasive Species Week 2024
Ideas for events and activities
Five things you can do
Useful Resources
Back
Back
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