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Established
Freshwater
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Freshwater
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Asian shore crab
Hemigrapsus sanguineus
Status:
Potential
Habitat:
Marine
Threats:
High reproductive potential. May outcompete native species.
Find out more ›
Asiatic tearthumb
Persicaria perfoliata
Status:
Potential
Habitat:
Terrestrial
Threats:
Reduction in biodiversity
Find out more ›
Australian flatworm
Australoplana sanguinea
Status:
Potential
Habitat:
Terrestrial
Threats:
Threat to native earthworms. Predatory.
Find out more ›
Balloon vine
Cardiospermum grandiflorum
Status:
Potential
Habitat:
Terrestrial
Threats:
Vector of disease. Can cause disease.
Find out more ›
Bamboo
Sasa palmata & Pseudosasa japonica
Status:
Established
Habitat:
Terrestrial
Threats:
Quick growing. Suppresses native plants. Reproduces asexually.
Find out more ›
Black rat
Rattus rattus
Status:
Established
Habitat:
Terrestrial
Threats:
Negative impacts on native flora and fauna.
Find out more ›
Bloody-red shrimp
Hemimysis anomala
Status:
Established
Habitat:
Freshwater
Threats:
Alteration of ecosystem dynamics. Competition with native species.
Find out more ›
Broadleaf watermilfoil
Myriophyllum heterophyllum
Status:
Potential
Habitat:
Freshwater
Threats:
It creates mats that impede the water flow and reduce sunlight and oxygen availability.
Find out more ›
Broomsedge bluestem
Andropogon virginicus
Status:
Potential
Habitat:
Terrestrial
Threats:
Aggressive coloniser of disturbed lands. Alters ecosystems.
Find out more ›
Invasive Species Ireland
Invasive Species 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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