Underwater animals are so varied and so strange, that it’s easy to forget that a good number of beings that live in the ocean ...

These receptor systems, first characterized in mammals, have since been identified across a variety of vertebrates, including birds, amphibians, and even sharks. Sharks are often described as ...

But because white sharks are endotherms – warm-bodied, like mammals – youngsters are vulnerable to the cold of the ocean depths, and spend their time in warmer pockets of water in coastal regions.