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Established
Freshwater
Marine
Terrestrial
Potential
Freshwater
Marine
Terrestrial
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American lobster
Homarus americanus
Status:
Potential
Habitat:
Marine
Threats:
Highly adaptable to new environments and food sources. Highly reproductive.
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Invasive Species Northern Ireland
About ISNI
About Invasive Species
Research
Invasive Species Maps
Invasive Species Week
Invasive Species Week 2025
Ideas for events and activities
Five things you can do
Useful Resources
Back
Back
Back
Legislation
European Union
Species of Union Concern
Widely Spread Species in NI
Back
Northern Ireland Only
International
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
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Send Via Email