With many Sydneysiders still nervous to enter the water following a spate of bull shark attacks over the past few weeks, we put the safety of several popular swimming spots to the test. #9News Watch the full story: https://youtu.be/IEzMsbYSYC8 | 9 News Sydney

Bull sharks have a surprising adaptability: they are able to move freely between salt and fresh water. Tune-in to five full weeks of Sharkfest on National Geographic every night at 8/7c—and available next day on Hulu. | National Geographic

Cruising into the week like the black tip reef shark! 🦈 These sharks are often seen cruising just below the surface, with only its dorsal fin showing above. It has been known at times to jump completely out of the water while in the shallows. This small shark is named for its distinct black-tipped fins. They can be found in shallow inshore waters throughout the Indo-Pacific, including coral reefs. They may be seen in mangrove areas and even freshwater environments near to shore, moving in and o

Meet the world's largest bull shark ever recorded. Don't miss more Sharkfest tonight at 8/7c. | National Geographic