Researchers are totally obsessed with understanding sharks right now. One of the major reasons why is that the world’s most successful hunters have been elusive and difficult to study. They’re constantly on the move -- some species migrate thousands of miles every year. But thanks to all sorts of new technologies, and some innovative scientists finding unconventional ways to use that tech, shark behavior is finally starting to come into the light. Here’s a look at some of the more innovative ways scientists are using tech to study sharks.
Scientists may have captured and tagged some sharks, and observed their behavior from the surface of the sea, but very little is known about how they behave when no one’s looking. The least studied part of shark behavior, for example, is how they interact with each other or other species of shark. So Carl Meyer and his team at The University of Hawaii worked with Japanese company Little Leonardo to build cameras small enough to fit on a shark’s fin without hindering their movement.
What they found once the cameras were in the ocean shocked them. Local reef sharks -- just a few miles off the coast of their own research base -- were mingling with all sorts of different shark species, including Hammerheads. The team was able to see feeding behavior and even some frisky swimming as sharks chased around members of the opposite sex.
Above: Camera-equipped male sandbar shark swims in close proximity to the reef, startling reef fishes, before heading across open sand to find and pursue a female sandbar shark. Credit: University of Hawaii (Carl Meyer)/University of Tokyo (Katsufumi Sato)
Meyer calls the cameras “data flight recorders for sharks” and says that thanks to the research they now have the first true sharks-eye-view of the ocean. Going forward they’re hoping to gain a better understanding of sharks eating habits by seeing the hunt from the sharks’ perspective.