Heatwave causing marine life shift

Marine heatwaves are causing a shift under the surface with some species suffering as others become more common, experts have warned.

The heatwave has been fuelled by the "heat domes" that brought record-breaking air temperatures in May and June, on top of long-term ocean warming due to climate change.

Sea Fisheries said Guernsey's water temperature earlier in July was 17.7C (63.8F), 2.7C higher than the average for the same week between 1980 and 2019.

Nicky Harris, who leads the marine biology section at La Société Guernesiaise, said: "We have to start thinking ahead in terms of how we can best make our seas more resilient, more healthy, to combat marine heatwaves."