Not just fish poo – why Macquarie Harbour has an oxygen problem
Scientists take a close look at what’s behind low-oxygen levels under salmon farms in Tasmania’s Macquarie Harbour.
Tracking the elusive whale sharks, the largest fish in the sea
They're elusive, whale sharks, so we're keeping an eye on them using satellite tracking to see how far they travel and, in a world first, taking DNA samples to see just how old they are. Here they are on Ningaloo reef.
Ningaloo Reef’s race for its place in the sun faces uphill battle
Here's one aspect of rising sea levels to think about - the loss in light reflected through ocean waters. Marine ecologists are asking, what are the limits, and threats, to coral skyscrapers? Because coral reefs don't just spread out - they also spread up.
Battle against white spot disease in Australian prawns
CSIRO’s efforts to help the Australian farmed prawn industry recover from this devastating outbreak also required a rapid response to protect a vital research facility that is assisting the industry pick itself back up.