A teenager was killed in a shark attack at a reef off Australia's northeast coast, with ambulance officials saying he was dead by the time he reached shore.
A great white shark that washed up on an Australian beach this week had a sea lion stuck in its throat which likely caused its death, fisheries officials said.
A man who dived into the sea to rescue a woman from a shark attack said Monday "reality hit" when he saw the water turn red, as he was honoured for his bravery.
Australia has successfully hatched its first shark born via artificial insemination with hopes that the development can ultimately be used to help breed threatened species.
Thousands of people rallied across Australia Saturday against a controversial shark culling policy designed to prevent attacks, saying killing the marine animals was the not the answer.
A controversial policy to catch and kill sharks off popular west coast beaches got the green light in Australia, in a move the Humane Society Tuesday termed a "complete disgrace".
Great white sharks may live until their 70s, more than three times as long as previously thought, according to a new analysis of the marine predator's backbones out Wednesday.
Environmentalists hailed Monday a Chinese government ban on serving shark's fin, bird's nest soup and other wild animal products at official functions, saying it will set a precedent that will help protect endangered species.
A teenager died after being attacked by a shark in Australia on Saturday, police said, one week after a surfer was fatally mauled in the nation's west.