Shark that smiles for the cameras: Meet the fearsome creature that eats polar bears and can live until 200
A diver swims alongside a Greenland shark, a rarely-seen species that looks like it has been etched from stone. They can survive for more than 200 years at depths of up to 600 metres under Arctic ice. They grow to 23-feet long and are so fearsome they have even been known to eat polar bears
Orcas are smart—among the most intelligent species in the world—making them particularly unsuitable to captivity. Few people realize that killer whales are members of the family Delphinidae, making them the planet’s largest dolphins, giant cousins to the far more common bottlenose and other species of seagoing dolphins.