Electromagnetic fish hook reduces accidental shark catches

Electromagnetic fish hook reduces accidental shark catches: "In fisheries all over the world, many fish are caught using a process known as pelagic longlining. This consists of fishing crews traveling out into the open ocean and deploying a series of baited hooks that are all attached to one horizontal main line, that can range from 20 to 40 miles (32 to 64 km) in length."