Marine Biology

A 5.62-metre great white female shark carrying four young pups was found dead on a regional Queensland drumline in August. She was the size of a dual-cab ute and scientists are now doing genetic studies on her body.

Kacper Krupa is fortunate to be alive after he was stung by a stonefish at Hearson's Cove, a popular swimming beach near Karratha.

The 1975 blockbuster Jaws told the story of the hunt for a gigantic, bloodthirsty, rogue shark that attacked numerous swimmers at a fictional beach resort in the US. Its repercussions are still being felt nearly 50 years later.

Scientists say they have discovered the world's largest coral — measuring longer than a blue whale — on an expedition in Solomon Islands.

A global report into kelp forests has found they are under threat from climate change and conservationists are concerned the vital underwater ecosystems on Australia's coastline are not getting the attention they need.

New research has found that recreational boats may be underestimated as a strike risk to migrating whales in Moreton Bay — a region with an "unusual proportion" of humpback whale calves.

The Sea World marine rescue crew has had one of its busiest years ever disentangling whales off the east Australian coast, and what happens after they are freed has long been a mystery.

Beachgoers have been left confused by the unusual sight of thousands of tendril-like stalks attached to shells that washed up on a three-metre column, south of Adelaide.

A decision on whether to increase the threatened species listing of the Maugean skate, which shares its habitat with salmon-farming operations, won't be made until after next year's federal election.

A quarter of a century since white sharks were declared vulnerable, scientists and surfers want to know whether steps to protect the predator along Australia's coasts are linked to a recent wave of attacks.

As the whale shark season draws to a later than usual close at Western Australia's Ningaloo Reef, experts and tour operators warn the animals face an increasingly perilous journey ahead.

On an isolated island in the Federated States of Micronesia, community and invited scientists are attempting a monitor lizard eradication program to protect nesting turtles.

The artificial intelligence used for passport facial scanning is now helping Australian conservationists track elusive sea turtles.

On the bottom of the Pacific Ocean, near fissures spewing hot water, a submersible stumbled upon a thriving community of animals living in cavities below.

An angler's close encounter with a 4-metre shark near the popular tourist town of Exmouth in Western Australia creates a flurry of excitement online.

It took "so many iterations" to make anatomically correct 3D-printed seahorses, but staff at Tasmania's Seahorse World are hailing the collaboration with a local business as a win for visitors with low vision.

Locals videoed the dead whale being eaten by sharks as it made its way towards a popular swimming and surfing beach on Western Australia's south coast.

Scientists from the University of Western Australia are investigating the anti-cancer properties of sea sponges found under Busselton Jetty in Western Australia. 

Researchers uncover unexpected findings after sharks munch far more voraciously on the spiky sea creatures left out "on a platter" for the invasive creature's known predators, lobsters.

The Coral Sea off Mackay in north Queensland has turned shades of brown, green and pink with bacteria dubbed "sea sawdust". It could hold the key to cracking the "puzzle" of crown-of-thorns starfish outbreaks on the Great Barrier Reef.