The recent one in 100 flood event is set to reverse carp eradication efforts in the Murray-Darling, a UNSW scientist says.
John Turnbull helped survey coral reefs in Norfolk Island for the first time in eight years, and snapped marine life he didn't expect to see there.
The tube fishway allows fish to glide past dam walls, weirs and other river barriers, with the potential to revitalise Australia’s ailing freshwater fish stocks.
An international team of researchers has revealed the mechanisms behind fish schooling – and what they found differs from what scientists had previously thought.
Hundreds of thousands of fish have died in low-oxygen water. Here's what actually happened to the oxygen, and why we might see more deaths in the coming weeks.
Light pollution is changing the day-night cycle of some fish, dramatically affecting their feeding behaviour, write UNSW's marine scientists.
It is possible to have fish and dams: John Harris, Bill Peirson and Richard Kingsford explain how.
Partially protected aquatic reserves are failing to protect fish, a survey of marine life on Sydney’s rocky reefs has revealed.
UNSW marine scientists on board Australia's new research vessel Investigator have collected some creepy-looking creatures, many smaller than your fingernail, while on an expedition that
In an Australian-first experiment, UNSW researchers are using high-resolution sonar equipment to monitor the fish that swim in and out of Narrabeen Lagoon on Sydney’s northern beaches.