The white sand beaches and emerald green waters of Destin, Florida are the setting for the World's Luckiest Fishing Villages. Beneath the water's surface, it's a different story.
The feral hog is one of the most formidable species on the planet. Possessing a unique combination of high reproductive capacity, size, and adaptability, the feral hog absolutely decimates entire ecosystems.
Dusty Wildman Crum makes it his mission to eradicate Burmese pythons, which alter the ecosystem of the Florida Everglades by eliminating over 99% of the native mammal population.
Common carp are one of the most widely introduced species of fish in the world; most people in the U.S. won't eat them, referring to them as a trash fish; these fish are so plentiful.
In the lakes of Northern Wisconsin lurks the Chinese mystery snail, which gets its namesake from female snails giving birth to young, fully developed snails; Yia travels to Clear Lake to meet up with Wisconsin fisheries specialist Titus.