Seafood fraud: why your Mediterranean swordfish might actually be shark

Pressure on fish stocks has led to sharks being passed off as swordfish or tuna, endangering the Mediterranean ecosystem

Franco Comes last caught sharks more than six months ago, while longline fishing for swordfish in the Adriatic Sea off the coast of Monopoli, Italy. He hauled in an accidental handful of blue sharks. They were tiny.

They are fewer and fewer, and they are also becoming smaller," Comes says. Twenty years ago, there used to be so many sharks - so many! They seem to have decreased by 80%. It's not just me: every fisherman around here has noticed."