BONITA SPRINGS — Fighting conchs are going down swinging on the beaches of Bonita Springs. Hundreds of the dead and dying conchs have littered the shores of the beach during low tide over the past few days, grabbing the attention of tourists and researches alike. “We’ve been walking up and down the beach, and we’ve been seeing a lot of these fighting conch. Look they’re right there,” Angie Verdone said pointing into the water just off the shore on the north side of Bonita Beach. “They’re like in groups, they’re all over the beach.” Scientists are testing water off the...