Could rising sea temperatures bring great white sharks to Ireland?

The Bay of Biscay is the sharks' regular haunt nearest to Ireland

Great whites, it’s been suggested, became warm-blooded to allow them frequent both warm and cold waters.

Located off South Africa’s Dyer Island, ‘Shark alley’ is a Mecca for great white shark watchers. The huge fish, of Jaws fame, are lured to cages where they can be viewed up close and personal.

The cold Benguela current flows northwards from Antarctica there; you need a wet suit to watch the sharks in comfort. Temperature doesn’t seem to matter to great whites; they frequent temperate seas all over the world.