Investigation Launched Following Significant Fish Kill in Co Louth
‘Significant’ fish kill in Co Louth being investigated

Image: The Irish Times
An investigation is underway in County Louth, Ireland, after a significant fish kill in the river Glyde, affecting endangered Atlantic salmon and other species. Inland Fisheries Ireland is assessing the situation and has noted a considerable stretch of the river is impacted.
- 01The fish kill occurred in the river Glyde near Tallanstown, Co Louth.
- 02Endangered species affected include adult and juvenile Atlantic salmon, along with brown trout and other freshwater species.
- 03Inland Fisheries Ireland (IFI) has initiated an investigation and is assessing the number of fish killed.
- 04This incident marks the second serious fish kill in Ireland in 2026, following an earlier incident in Co Meath.
- 05IFI has recorded 10 fish kills in the Glyde since 1971, with a notable incident in 1995 that killed approximately 1,000 fish.
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An investigation is currently being conducted following a significant fish kill in the river Glyde, located in County Louth, Ireland. The incident has resulted in the deaths of endangered adult and juvenile Atlantic salmon, as well as brown trout, eel, pike, and various other freshwater species. Inland Fisheries Ireland (IFI) has confirmed that they are pursuing a "definite line of inquiry" and have notified relevant local authorities. The exact number of affected fish is still being assessed, but IFI has indicated that the kill is considered "locally significant." Environmental officers from IFI have been on-site since local residents reported the dead fish, and samples have been collected for laboratory analysis. This incident is the second serious fish kill in Ireland in 2026, following a previous event that resulted in the death of around 200 brown trout in Co Meath. IFI has noted a history of fish kills in the Glyde, with ten recorded since 1971, including a serious incident in 1995 that killed around 1,000 fish.
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The fish kill poses a threat to local aquatic ecosystems and fishing activities in the river Glyde.
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