Oceans

Five months after the algal bloom was first detected on the Fleurieu Peninsula, residents along parts of the SA coast say it is continuing to impact their physical and mental health, with a new survey revealing feelings of worry and anxiety.

A dive tour operator already grappling with the impact of the state's algal bloom says his business will not survive if the government does not repair the old Rapid Bay jetty and reopen the "world-class" dive site surrounding it.

It has been the most prolific year for southern right whale births on Australia's southern coastline in nearly a decade, according to researchers.  

A US scientist invited to South Australia for his algal bloom expertise, says modified clay could be an effective small scale mitigation measure — but warned there is no way to predict when the bloom will disappear.

Western Australia's EPA will proceed with its assessment of a major gas extraction plan for the Browse Basin, after Woodside changed its plan six years after the process began.

Prime Minister Anthony Albanese says he does not want to "get into semantics" over categorising South Australia's devastating algal bloom as a national disaster but will "provide support as requested".

Wildlife carers are investigating after turtles with unusual symptoms washed ashore at several popular swimming spots north of Newcastle.

Cabarita beaches reopen after a frightening shark encounter on Monday as shark biologists say photos of the surfer's destroyed board suggest the damage was caused by a great white.

SA residents are turning to expensive muzzles to protect their pets from the algae crisis so they can keep walking them on the beach.

I've lived away from South Australia for almost three years now, and coming home to see the algal bloom hit home.

As the latest water testing results reveal rising algal levels along parts of the Adelaide coast, the opposition says Freedom of Information documents show government "buck-passing" marked the early months of the bloom.

An Indigenous elder calls on the government to take more action on SA's toxic algal bloom as Environment Minister Murray Watt and Opposition Leader Sussan Ley both visit the state. 

The discovery of a 5-metre great white shark missing its jaws is labelled "bizarre and worrying" by an illegal animal trade expert.

It was an "iconic" site for marriage proposals, photos and sunset views, but erosion left the Lancelin lookout in Western Australia at risk of crumbling into the ocean.

Researchers say joyful interactions between whales and dolphins, including one case where a whale slowly lifted a dolphin out of the water, could be key to their survival.

In Western Australia, the damage to coral reefs including the World Heritage-listed Ningaloo has eclipsed any previous bleaching events. 

A tourism survey finds about 40 per cent of South Australian businesses impacted by the toxic algal bloom have experienced a downturn in trade as the government's financial support is starting to flow to those affected. 

An "unusual" jellyfish sting outside of the wet season at Broome's Cable Beach prompts reminders about the year-round dangers posed by these tiny sea creatures.

Amid SA's algal bloom, fish and chip shop owners are keen to emphasise they are still very much open for business — and some want more done to provide reassurance.

Amid SA's devastating algal bloom, a citizen scientist says she has recorded more than 1,000 observations of dead sea creatures along a 500-metre stretch of a popular Adelaide beach in less than a fortnight.