Warning that high temperatures will kill fish

'During the current heatwave, air and water temperatures are approaching dangerous levels and fish kills may be unavoidable.' Picture: Eamonn Farrell/RollingNews.ie

Rising water temperatures and falling water levels may kill countless fish across the country this week.

Inland Fisheries Ireland is warning of a “high risk” of fish kills due to thermal stress and reduced oxygen levels in lakes and rivers as Met Éireann forecasts a heatwave for much of the country.