Small device can reduce shark bycatch by 90%
Marine scientists have invented a small device that can reduce shark bycatch numbers by emitting short electrical pulses as a deterrent.
When clipped on the fishing line next to a baited hook, the battery-operated SharkGuard works by emitting a short localised pulse every two seconds. This causes the shark’s ampullae of Lorenzini (electrical sensors around its nose and mouth) to be overstimulated, thus prompting it to swim away.