ALT Nitellopsis obtusa confirmed from over 100ha in Lough Sheelin

ALT Hydro acoustic signature of starry stonewort infestation Nitellopsis obtusa in Lough Sheelin

ALT Shrimp sampling in Lough Sheelin confirms that most of the amphipods are made up of native species such as Gammarus duebeni and Gammarus lacustris.

ALT littoral habitats along the Shannon catchment in Ireland being invaded by the demon shrimp Dikerogammarus haemobaphes. It is rapidly displacing our native aquatic shrimps like this one Gammarus duebeni

ALT Dikerogammarus haemobaphes aquatic invasive species spreading in Ireland

ALT Dikerogammarus haemobaphes in the Shannon catchment in Ireland

ALT Dikerogammarus haemobaphes in stoney substrate

ALT Mulkear river co Limerick surveyed for demon shrimp

ALT lower Shannon catchment in Limerick

ALT Dikerogammarus haemobaphes in lakes in Shannon catchment

ALT sampling littoral habitats in Ireland tracking the impact of Quagga mussels and Demon shrimp

ALT Dreisennid mussels in lakes in Ireland

ALT Fish caught by rod to assess the diet of perch

ALT gut contents of perch in the canal. shrimps almost exclusively made up of the demon shrimp Dikerogammarus haemobaphes.

ALT perch mostly small but some nice size fish in the canal

ALT Fish survey in the canal assessing if perch are feeding on the new invasive shrimp Dikerogammarus haemobaphes