Following two attacks on swimmers, Australian officials captured and shot three tiger sharks in the Whitsunday Islands region, a popular tourist destination near the Great Barrier Reef. The tiger shark diet is made up of fish, mollusks, crustaceans, sea turtles, seabirds and even mammals such as the dugong. Tiger sharks are very aggressive, and if they feel threatened, they’ll attack.
Conservation-Bull shark conservation-Under the IUCN red list, bull sharks are listed as near threatened species. It also consumes small sharks and the remains of dead whales or can even venture to attack the wounded and immobile cetaceans.
Sand tigers roam the surf, sometimes in close proximity to humans, and there have been only a few instances of unprovoked sand tiger shark attacks on humans, usually associated with spear fishing, line fishing, or shark feeding. Tiger shark attack-Tiger shark ranks second on the list of several attacks recorded by sharks on humans. As of 2013, the database of Shark Attack Survivors does not list any fatalities due to sand tiger sharks. Unlike great whites, tiger sharks are not likely to swim away after eating a human.
The International Shark Attack File lists the tiger shark as responsible for 111 unprovoked shark attacks, 31 of which were fatal. This is the case in many, if not most, cases of tiger shark attacks on humans. Although these species rarely bite humans. Tiger sharks have an enormous appetite and can eat almost anything they find in their path.
Shark bite was minor injury, but he suffered a heart attack afterwards and died 6 hours later J. Tiger sharks are second on the list of sharks most likely to attack.
West, Adelaide Advertiser, 9/7/1971, p. 10; P. Kemp, GSAF 
Still, only three or four tiger shark attacks occur each year, mostly in the waters of Hawaii, where these sharks thrive.