The range of fish being eaten is reducing and the demand for popular species is growing. It means consumers are missing out on cheaper local seafood, while also putting pressure on the sustainability of fish populations.
"Excess" upstream irrigation, drought and water releases from the Menindee Lakes created the perfect storm that led to the ecologically disastrous fish kills over summer, a review by the Academy of Science finds.
By learning how bees see and make decisions, it's possible to improve our understanding of how best to work with them to manage our essential resources, write Adrian Dyer and Tanya Latty.
It took four years and three reactions for Kate Pither to realise she had developed a serious allergy to mammalian meat. The cause? Tick bites she got while living in Sydney.
Australia has been in the grips of a national veterinarian shortage as vets leave the profession due to long working hours, "emotional blackmail" and prolonged stress.
Hundreds of audio recorders are about to be installed in regional Australia to create the country's first soundscape, which will provide scientists with important insights into different animals and their habitats.
As more animals crowd social media the pressure for them to stand out is intensifying, but a growing number of vets and animal welfare groups argue this trend is promoting the adoration of inbred and deformed animals with health problems.
Scientists sequence the genome of world-famous giant tortoise Lonesome George, revealing information about the longevity and size of giant tortoises, and their ability to fight cancer.