Why do sharks seem to be attracted to boat engines? Plenty of anglers know from experience that sharks sometimes try to eat outboards.
Shark expert Arnold Postell, of the South Carolina Aquarium, believes sharks do this because the electrical pulses that some engines emit resemble those of potential prey.
https://www.youtube.com/watch?v=s-AcYjUInic
We found a video that packs a lot of marine science into one minute.
