There are several hundred species of sharks, ranging in size from less than ten inches to over 50 feet. These amazing animals have a fierce reputation and fascinating biology. Here we'll explore 10 characteristics that define sharks.
Marine scientists and sanctuary managers are grappling with how to contain a growing nuisance – which could harm whales, seals and other marine mammals – while ensuring scientists can continue using drones for valuable research.
The blue whale is the largest animal on Earth. Learn how big these whales get and more facts about these huge marine mammals.
Devil rays, close cousins of the enormous manta rays, are stars of nature documentaries. They tend to collect together in large numbers, and some species leap from the water. Because of this they are popular with divers and, like mantas, important for tourism.