Marine Biology

Modelling predicts that the algal bloom that has plagued South Australia's coastlines since March 2025 will be moving further through the Spencer Gulf in the next few months.

A pair of endangered rays taken from a Tasmanian harbour as a species "insurance policy" have been released back into the wild after helping to produce more than 400 eggs for a captive research program.

Rare baby turtles that are a cross between the loggerhead and green species have been found on the beach at Mon Repos.

Little penguin numbers on Kangaroo Island have rebounded, but estimates show there are only about 700 adult breeders after a harmful algal bloom.

In the midst of a mass coral bleaching event along the West Australian coast, a group of scientists have discovered a section of reef that has been able to withstand the heat.

Thousands of species have been discovered lurking and thriving in our oceans, as part of an effort to catalogue 100,000 new species. 

Scientists analysing a database of photos find two humpback whales travelled from Queensland to Brazil, covering a record distance of 14,200km. 

After decades of fighting for their traditional fishing rights, Aboriginal custodians are now fighting to save their sea country from ecological collapse. 

A researcher speaks out against the fishing of sharks after footage of a huge tiger shark being caught and decapitated circulated on social media.

Data from the wildlife rescue group ORRCA shows an increase in the number of fur seal entanglements as they seek out fishing lines in attempts to find an easy meal.

Marine scientists want to see whale carcasses towed offshore and disposed of out to sea in a process they say is safer, cheaper and more ecologically friendly.

Natural history broadcaster Sir David Attenborough turns 100 today. We look back at his work and interviews to capture some of his wisdom and endless sense of wonder.

The damage caused by South Australia's harmful algal bloom is continuing to be documented on the Yorke Peninsula, even as government water testing shows reduced levels of karenia across most of the coastline.

While testing has shown a dramatic improvement in South Australia's algal bloom situation, industry and experts fear it won't be a quick recovery.

Oyster growing areas on the Yorke Peninsula are ordered to close due to the detection of a toxic phytoplankton for the second time this year.

Almost 100 deadly box jellyfish have gathered off a port in WA's north. Scientists say they likely belong to an unnamed species.

A multi-million-dollar project run out of the University of Wollongong is working on fitting shark-deterrent technology into surfboard fins following recent shark attacks.

The once-abundant pale octopus has not been caught in lower Spencer Gulf for more than a year, and what happened to the species remains a mystery.

The discovery on Tasmania's west coast has scientists and fishers alike fearing the spread of a destructive species to another previously untouched part of the state's marine environment.

A whale stranded on a sandbar in Wallis Lake on the NSW mid north coast has been freed by marine animal rescue teams.