"I know that the esophagus of a whale shark measures only inches across," he writes. "The massive beast could not choke me down even if it preferred man meat to plankton." Whale sharks are the largest ...

“However, we still don't know how food actually enters the start of the shark's esophagus and goes down." In suction feeders like the bamboo shark and the nurse shark, Motta said, the food has ...

Could a whale shark swallow you by accident? The quick answer is no. Dr. Craig McClain explains: I know that the esophagus of a whale shark measures only inches across. The massive beast could not ...

A tiger shark, named Jitterbug ... beyond this last region of the oral cavity into muscles that control the esophagus. In the short clip, Jitterbug quickly figures out that the glassy and ...