: Using organs called the Ampullae of Lorenzini , sharks can detect the tiny electrical impulses of a heartbeat in the dark or under sand.
: These slow-moving giants can live for over 400 years , meaning some sharks alive today were swimming when the Pilgrims arrived in America. : Using organs called the Ampullae of Lorenzini
Sharks are not "villains"—they are the immune system of the ocean. : Using organs called the Ampullae of Lorenzini
: The largest fish on the planet, these gentle giants filter-feed on tiny plankton and can dive deep into nutrient-rich cold water to regulate their temperature. Key Posting Tips : Using organs called the Ampullae of Lorenzini