by Leo Cendrowicz
In the movie Jaws, the sight of a shark fin in the water is enough to clear terrified holidaymakers from the beach in seconds. But Steven Spielberg’s prototype blockbuster was released in 1975 - and 1976 was the last year a great white shark was seen off Spain’s Mediterranean coast. Until a week ago. That was when a wildlife conservation group filmed what appeared to be a great white shark in the seas around the island of Mallorca. And it has already provoked a storm of anxiety about whether it is safe to go back into the water.