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Category: River lamprey

Posted on June 5, 2018October 25, 2018

Sea Lamprey migration blocked by weir

Sea lampreys Petromyzon marinus running at Annacotty weir on the Lower River Mulkear, Co Limerick, during early June 2018. Overnight rain caused river levels to rise and this stimulated upstream…

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Posted on September 26, 2017November 9, 2017

Introduction to lampreys and issues they face in Ireland

Three species of lamprey occur in Ireland; the brook lamprey Lampetra planeri, the river lamprey Lampetra fluviatilis and the sea lamprey Petromyzon marinus. The lampreys (family Petromyzonidae) belong to a…

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Posted on April 16, 2017April 17, 2017

Thousands of River Lampreys trapped below Limerick weir

The photo gallery below shows River Lampreys Lampetra fluviatilis trying to pass Annacotty weir on River Mulkear, Co Limerick, during late-March 2017. This is in the Lower River Shannon SAC…

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Posted on March 28, 2017April 16, 2017

River Lampreys trying to pass Mulkear weir, March 2017

The photos below show River Lampreys Lampetra fluviatilis trying to pass Annacotty weir on River Mulkear, March 2017. This is in the Lower River Shannon SAC and these lampreys are…

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Posted on November 9, 2015November 10, 2015

Bandon Flood Scheme – Breach of Article 4 of WFD?

The River Bandon rises in the Shehy Mountains in west Co Cork, and then flows through Dunmanway, Bandon, and Innishannon before entering the sea at Kinsale Harbour. During the record rainfall and subsequent…

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Posted on November 7, 2015November 8, 2015

Lamprey surveys, Lower River Shannon, 2015

This post provides links to videos we posted to our YouTube channel this year of migratory lampreys spawning in the Lower River Shannon Special Area of Conservation. These are some…

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Recent posts

  • Fish passes need to cater for all species – not just salmonids
  • Lampreys still blocked at Annacotty Weir
  • Sea Lamprey migration blocked by weir
  • Having to mitigate for lampreys – something you might not have reckoned on
  • Introduction to lampreys and issues they face in Ireland
  • Shannon Sea Lamprey Documentary
  • Thousands of River Lampreys trapped below Limerick weir
  • River Lampreys trying to pass Mulkear weir, March 2017
  • Sea lamprey spawning survey 2016
  • River Lampreys spawning on Lower River Slaney

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