invasivespecies@daera-ni.gov.uk
About ISNI
About Invasive Species
Research
Invasive Species Maps
Legislation
International
European Union
Species of Union Concern
Widely Spread Species in NI
Northern Ireland Only
Species Accounts
Species Alerts
List of identification guides
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
Be Pet Wise
Pet Owners
Pet Traders
Be Pet Wise Resources
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
Pathway Action Plans
Managing the Problem
Invasive Plant Management
Site Management Resources
Resources
Invasive Species Week
Highlights from Invasive Species Week 2024
Ideas for events and activities
Five things you can do
Useful Resources
Report a Sighting
Invasive Species Ireland
>
Species Accounts
Species Accounts
Species Accounts
Established
Freshwater
Marine
Terrestrial
Brackish
Potential
Freshwater
Marine
Terrestrial
Brackish
Print Page
Send Via Email
1
2
Next ›
Last »
American lobster
Homarus americanus
Status:
Potential
Habitat:
Marine
Threats:
Highly adaptable to new environments and food sources. Highly reproductive.
Find out more ›
Asian rapa whelk
Rapana venosa
Status:
Potential
Habitat:
Marine
Threats:
Serious implications for marine bivalve survival.
Find out more ›
Asian shore crab
Hemigrapsus sanguineus
Status:
Potential
Habitat:
Marine
Threats:
High reproductive potential. May outcompete native species.
Find out more ›
Brush-clawed shore crab
Hemigrapsus takanoi
Status:
Potential
Habitat:
Marine
Threats:
High reproductive capacity. Outcompete native crabs.
Find out more ›
Dwarf eelgrass
Zostera japonica
Status:
Potential
Habitat:
Marine
Threats:
Can reduce seabird foraging opportunities
Find out more ›
Giant kelp
Macrocystis pyrifera
Status:
Potential
Habitat:
Marine
Threats:
Outcompete native plants, shading and reduction in oxygen levels
Find out more ›
Oyster drill
Ceratostoma inornatum and Urosalpinx cinerea
Status:
Potential
Habitat:
Marine
Threats:
Serious impacts on oyster populations.
Find out more ›
Red king crab
Paralithodes camtschaticus
Status:
Potential
Habitat:
Marine
Threats:
Competition with native species.
Find out more ›
Rugulopteryx okamurae
Rugulopteryx okamurae
Status:
Potential
Habitat:
Marine
Threats:
Displaces native species, reduces biodiversity and alters community structure. Floating biomass impacts fisheries and tourism
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
× Close Panel