Port Jackson sharks grow to about 5.5 feet in length and are known for having “a distinctive blunt head” and harness-like markings, the Australian Museum reports. They prefer rocky environments near ...

Forbes contributors publish independent expert analyses and insights. Márquez is a marine scientist and science communicator The Port Jackson shark (pictured) is one of 77 species of shark, ray and ...

"Alien Sharks: Death Down Under" (10:00 pm ET/PT): Wildlife biologist Forrest Galante injects himself with shark venom after diving down under into Australia's dangerous waters, home to some of the ...