Inland Fisheries Ireland (IFI) is asking all water users to report any new sightings of Lagarosiphon major in Lough Corrib to info@caisie.ie, info@fisheriesireland.ie or by using the new IFI Invasive Species Smartphone App.  This highly invasive aquatic weed is present at over 160 sites in the lake with its most southerly known occurrence recorded in [...]

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The Asian clam (Corbicula fluminea) is a most unwelcome recent addition to the fauna of Irish rivers and lakes. This bivalve mollusc is regarded as one of the most notorious aquatic invasive species in the world. The Asian clam was first recorded in Ireland in the River Barrow near St Mullin’s [...]

Continue reading about Asian clams – help stop their spread as the game angling year commences

The Asian clam (Corbicula fluminea) is a most unwelcome recent addition to the fauna of Irish rivers and lakes. This bivalve mollusc is regarded as one of the most notorious aquatic invasive species in the world. The Asian clam was first recorded in Ireland in the River Barrow near St Mullin’s in April 2010.  Subsequent [...]

Continue reading about Asian clams breeding as water temperatures rise – help stop their spread

Invasive Species Alert! Notification to lake users in Lough Corrib
The highly invasive curly-leaved waterweed Lagarosiphon major is now present at 160 sites throughout the upper and midde lakes of Lough Corrib. The weed typically inhabits water which is less than 5 metres in depth. The most southerly known occurrence of Lagarosiphon major weed in [...]

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admin on February 17th, 2011
Water primrose

Water primrose, Ludwigia grandiflora, has not yet been recorded in the wild but has been found in garden ponds and may be available from garden centres.
This invasive species can quickly establish itself in a water body and rapidly out-compete native vegetation to form dense stands which can obstruct boating and angling.
Dense stands can also cause [...]

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admin on December 9th, 2010

Killer Shrimp, Dikerogammerus villosus, is the latest freshwater invasive species which is threatening Irish waterways. The killer shrimp is much bigger than our own native freshwater shrimp at 30mm but is otherwise quite similar in appearance.  Unlike our native shrimp it feeds aggressively taking large invertebrates and even small fish as prey.
This species can have [...]

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admin on November 24th, 2010
Asian clam poster

Inland Fisheries Ireland requests your support in looking out for this threat in any catchments that you visit.
The Asian clam (Corbicula fluminea) is an invasive bivalve species that has spread rapidly in lakes, canals, streams, rivers and reservoirs throughout Europe & North America.
The species is known to aggressively outcompete native invertebrate communities, limit phytoplankton biomass [...]

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