Great white sharks in South Africa have extremely low genetic diversity compared with shark populations elsewhere in the world.
South African sharks have low levels of genetic diversity. This could pose a threat to their survival as a species.
Halloween kiss for this lovely ghost shark?
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Scientists are starting to think that young white sharks could be responsible for clusters of shark encounters.
White shark image from www.shutterstock.com
A recent increase in shark encounters has prompted New South Wales to investigate new technologies.
Sea turtles eating more seagrass could threaten the ocean’s ability to store carbon.
Sharks and other ocean predators help protect the ocean's carbon stores by keeping other wildlife in check.
Sharks often bite people less to kill and more as a mistake.
A recent cluster of dangerous encounters with sharks in New South Wales has raised new concerns among the public.
White sharks - a threatened species responsible for a number of recent shark encounters.
More research may not necessarily prove to be the answer to shark attacks. Instead, we should look at programs that are already working, such as aerial patrols.
A greynurse shark complete with a tracking device - scientifically the best way to keep tabs on what sharks are up to.
AAP Image/NSW Ministery for Agriculture and Fisheries
Calls are growing louder for a shark cull in New South Wales. But like in Western Australia, which infamously experimented with culling last year, a NSW cull would harm sharks while failing to protect people.
Australian surfer Mick Fanning, seen here surfing at Snapper Rocks on the Gold Coast, has decided to change the colour of his surfboard. No more yellow.
AAP Image/Jesse Little
The recent shark attack was enough to convince Australian surfer Mick Fanning that the colour of his surfboard may have been a factor. But what do sharks actually see in the water?
There are certain times and locations where people are more likely to encounter a shark.
What lies behind shark safety methods.
Where there are groups of seals, there are sharks.
Massachusetts Office of Energy and Environment
A rash of white shark attacks this summer points to a rebounding population in the US – a sign of healthier oceans and the need to coexist with this apex predator.
The moment a shark encounters Australian champion surfer Mick Fanning.
AAP Image/World Surf League, Kirstin Scholtz
Although frightening, the footage of Mick Fanning at Jeffreys Bay is a reminder that sharks are present in the oceans, and that the vast majority of interactions between people and sharks end without fatality or injury.
Sensationalized shark attacks skew the facts.
'Shark' via www.shutterstock.com
Millions tune in to Shark Week each year, but many walk away with the wrong impressions.
Many people consider sharks their friends.
The celebrated movie inspired a generation of marine biologists to go in the water.
A great white shark captured off the coast of Mexico.
We used to think of sharks as primitive fish because the had cartilage instead of bones. Turns out there was a good reason why and it makes them anything but primitive.
Loggerhead turtle populations are facing a brighter future, but many other species are still in decline, while for others there are no data at all.
AAP Image/Lauren Bath
The Great Barrier Reef is home to some 1,600 species of bony fish, 130 sharks and rays, and turtles, mammals and more. Most have had no population monitoring, meaning we don't know how well they are faring.
The stats for 2014 have been compiled and shark attacks and fatalities are down worldwide. The numbers are truly tiny. Why do we fixate on this vanishingly rare possibility?
Despite the high concentration of sharks in Cocos, some species have declined in number – a signal on the effectiveness of marine preserves.
Genna Marie Robustelli
Divers at the famed Cocos site off Costa Rica record declines in a number of shark species – a sign that marine preserves are limited protection against illegal fishing.
Young Steller sea lions in Prince William Sound, Alaska. NMFS Permit 14336.
A decade ago, we set out to unravel deep ocean crime scenes we weren’t even sure existed. The crime? Endangered Steller sea lions were rapidly disappearing in parts of Alaska. Their numbers dropped by…
Western Australia has killed two great white sharks after a surfer was seriously injured last week.
When I used to tell people that I did my PhD on the politics of shark attacks, they would ask, “Is there a politics to shark attacks?” Nobody asks that any more. Now they just say, “Oh, like in Western…
The shark cull that ran for three months off Perth and the Southwest now looks certain to be ended.
AAP Image/Sea Shepherd
Western Australia’s controversial shark drum line policy will come to an end, after the state’s Environmental Protection…