it will appear as a dark silhouette when viewed from below, making them easy prey to the Great Whites. A number of species counter shark attacks by emitting light from their undersides as a ...

"How important is it that a shark can't see you if it can still ... the lights don’t do enough to disrupt the silhouette visible from below. And the lights need to shine brightly enough to ...

For some time now, it has been believed that great whites attack surfers because when viewed from below, the silhouette of a surfer on a board looks much like the silhouette of one of the shark's ...

However, the great white shark is really good at detecting a silhouette, and surfers and ... Article continues below The sharks still saw the decoy, but its shape was broken up and the great ...

In related studies, researchers have found that Great Whites are likely completely color blind with poor visual acuity, compensated by their strong ability to detect a silhouette. But the shark's ...