Soaring temperatures in the North Atlantic Ocean over the summer months have raised fears that fish could be pushed to colder waters, heaping pressure on the already struggling industry.
At the end of July, the US National Oceanic and Atmospheric Administration announced that average surface temperatures in the North Atlantic had reached a new record high of 24.9ºC .
Sean O'Donoghue, chief executive of the Killybegs Fishermen's Organisation, said climate change was having a"dramatic effect" on white fish stocks such as cod which prefer colder waters.He feared it was"only a matter of time" before so-called pelagic fish such as mackerel, blue whiting and herring move north permanently.
The temperature record set in July was particularly worrying as it came weeks before the North Atlantic typically reaches peak temperatures in September. "When you're seeing a temperature at 24.5 or 21, as we saw in some of the coastal bays around the county of Galway... it's way above what you would ordinarily expect," he said.
Nolan said the extreme temperatures could create the conditions for changes to fish migration, and pointed to algal blooms in warm waters causing"problems typically for shellfish and finfish".
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