Sharks are the kings of the sea. As terrifying as fascinating. There are not a few who fear being on the high seas and being attacked by a shark, or even going by boat in case something happens to them and...
Sharks are cartilaginous fish, that is, their skeleton is made up of cartilage instead of bone. They are characterized by being large predators and by their great variability, since 375 different ones have been found.
They include from the smallest...