"How bad is it?"

"When my professor was diving here as a student, tiger sharks and hammerheads were everywhere. Helicopters, aircraft, and drones made it too easy to find and catch the big ones, and we're still paying the price. Thank God we came to our senses and set aside underwater preserves in areas like this. Perhaps in twenty or thirty years, we'll see those numbers again."

"What about Great Whites?"

"The water is too warm up here for them now. They didn't fall as far as other species, since Whites have been threatened species for decades. Once we came up with effective monitoring for beach areas, the pressure to...