For centuries, green crabs have been embedded within Venetian cuisine: served soft-shell or shucked for delicious caviar known as Masinette. Travel outside the Mediterranean and the crab has a very different reputation. This small crustacean has spread to nearly every continent on the globe and been hailed as one of the most destructive invasive species of all time. Green crabs eat native shellfish species, outcompete local crabs, and destroy vital...