Sharks have been around for a long time, emerging over 400 million years ago. New research shows that tropical ‘walking sharks’ appeared just 9 million years ago, making them the most recently evolved shark on the planet.
Sharks have been around for a long time, emerging over 400 million years ago. New research shows that tropical ‘walking sharks’ appeared just 9 million years ago, making them the most recently evolved shark on the planet.