Blue sharks are known to prowl the Mediterranean sea, but they can also be found in British waters.
So do we need to fear these creatures from the deep or have our jaws just got wagging over nothing?
Do blue sharks attack humans?
Blue sharks have been known to attack humans but they could hardly be described as frequent "man-eaters".
The predators, which have been known to reach up to 12 feet in length, have been implicated in precious few attacks on humans.