Jensen Beach, FL - A surge of Portuguese man o’ war along Florida's Treasure Coast beaches ... to concern among beachgoers. Resembling jellyfish, these creatures can deliver stings more intense ...

Anyone unfamiliar with the biology of the venomous Portuguese man-of-war would likely mistake it for a jellyfish. Not only is it not a jellyfish, it's not even an "it," but a "they." The ...