Invasive Species Ireland > Species Accounts

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Alligator weed
Alternanthera philoxeroides
Status:
Potential
Habitat:
Freshwater
Threats:
Chokes up riverine habitats when it becomes established
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American bullfrog
Lithobates catesbeianus
Status:
Potential
Habitat:
Freshwater
Threats:
Can outcompete and displace native species. Spreads diesease.
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Amur sleeper
Perccottus glenii
Status:
Potential
Habitat:
Freshwater
Threats:
Voracious predator of amphibians and fish. Outcompetes native species. Possible disease vector
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Broadleaf watermilfoil
Myriophyllum heterophyllum
Status:
Potential
Habitat:
Freshwater
Threats:
It creates mats that impede the water flow and reduce sunlight and oxygen availability.
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Brown bullhead catfish
Ameiurus nebulosus
Status:
Potential
Habitat:
Freshwater
Threats:
Negative impacts on native fish species.
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Chinese mitten crab
Eriocheir sinensis
Status:
Potential
Habitat:
Freshwater
Threats:
Threatens ecosystem functioning and protected species.
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Common Carp
Cyprinus carpio
Status:
Potential
Habitat:
Freshwater
Threats:
Alters habitat by consuming plants and invertebrates. Can impact water quality by increasing turbidity.
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Dace
Leuciscus leuciscus
Status:
Potential
Habitat:
Freshwater
Threats:
Negative impacts on native salmonids.
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Fanwort
Cabomba caroliniana
Status:
Potential
Habitat:
Freshwater
Threats:
Competition with native species. Clogging of waterways. EU Species of Union Concern
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Invasive Species Ireland

Invasive Species Ireland