Do sharks have bones? Facts about the fish's body, jaw and teeth - USA TODAY

No, sharks do not have bones. Sharks are made of cartilaginous tissues like other "elasmobranchs," such as rays and skates.

Sharks are fascinating creatures. These fish have been around for around 455 million years and are known to be one of the ocean's apex predators, according to the National Oceanic and Atmospheric Adm… [+2348 chars]

full article...