Word on the Reef

What do the world's largest flying bird, with a wingspan of up to 3.5 metres, and the Australian Sea Lion have in common? Both are endangered due to their high risk of entanglement in fishing nets!

Today's guest, Zoologist Alexia Wellbelove gives us a birds-eye view on how changes to fishing practices can help bring Albatrosses and Sea Lions back from the brink. We'll also unpack recent changes to Australia's nat...

What do the Egyptian Pyramids, the Greek Parthenon, the Notre Dame Cathedral and Melbourne's Parliament House all have in common? They are all built out of fossilised reefs, aka limestone!

Today we’re taking a journey through deep lime - I mean time - to answer some of those burning questions like: How old is the Great Barrier Reef? What ancient forces built this coral colossus? Why are there fossilised reefs hundreds of metres...

Pigs can't fly, nor can they dive in the ocean. But they are posing a serious threat to endangered sea turtles by pigging out on turtle eggs and hatchlings in Cape York. This is not the good kind of bacon and eggs combo. It's Ham-ageddon for our nesting sea turtles!

Cape York Natural Resource Management representatives Dr Manuela Fischer and Scott Morrison (no relation to the former Australian PM) are working on a solution...

As the planet warms, more than 3000 sea turtle eggs have been evacuated from low-lying Raine Island on the Great Barrier Reef to save them from rising sea levels.

It's an emergency intervention never attempted before on the Great Barrier Reef. But can the eggs survive the relocation? And what does this egg-sistential crisis mean for the future of our sea turtles and other island-dwelling animals? Dr Mark Read from the Marine Pa...

Did you know Australia has one of the highest deforestation rates in the developed world? About 20% of Queensland's vegetation has been bulldozed since colonisation -- one million hectares in the last three years alone -- mainly for cattle farming. What impact is this having on the Great Barrier Reef, and what can we do to fix it? To find out, this week we're chatting with Dr Maximilian Hirschfeld, Water Quality Campaign ...

Spring has sprung and it’s baby-making season on the Great Barrier Reef! In this episode we talk coral spawning with marine scientist Dr Katie Chartrand, plus, we dive into the world of mangrove forests with CAFNEC's Shannon Bredeson.

More information:

• JCU Tropwater Spawning School
• CAFNEC's Mangrove Watch Program

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Marine biologist and scuba legend Steve Sinclair is back again this week to finish revealing the Top 50 Dive Sites in Australia. Steve has spent over five decades exploring every reef, wreck and cave from Tasmania to the Top End — and now he’s sharing his secret spots with us!

From world-famous coral gardens on the Great Barrier Reef to secret, world-class dive spots you’ve never heard of, Steve shares insider stories and tips from ...

Think you know Australia’s best dive sites? Think again! Marine biologist and scuba legend Steve Sinclair has spent over five decades exploring every reef, wreck and cave from Tasmania to the Top End — and now he’s revealing the Top 50 Dive Sites in Australia.

From world-famous coral gardens on the Great Barrier Reef to secret, world-class dive spots you’ve never heard of, Steve shares insider stories and tips from a lifetime beneat...

What do underwater art museums, bomb tests, and citizen science have in common? They're all part of the story of the Great Barrier Reef’s past, present—and possible future.

Our guest this week is Dr. Adam Smith—freediver, marine biologist, and founder of Reef Ecologic, a Townsville-based social enterprise leading innovative reef conservation through research, education, and community action.

In this episode, we dive in...

Today we're traveling back to South Australia for an update on the devastating toxic algal bloom that's been unfolding there over the last seven months, and what it it's been like for the divers who know and love these waters.

Marine Biologist and Divemaster Sarah Franke from Divers for Climate has just returned from a research trip to learn about how the disaster is impacting the South Australian community. She'...

First Nations people have been caring for land and sea along the Great Barrier Reef Coast for thousands of years. In this powerful interview, Traditional Owner Gavin Singleton explains the enduring connection First Nations people have with the Reef, what they're doing to help protect it, and how we can all foster a stronger connection with each other and the Reef.

The didgeridoo recording at the end of this episode is from Gavi...

Scott Reef, Australia’s largest remote offshore reef, is a breathtaking sanctuary for corals, fish, rare sea snakes, nesting turtles, and pygmy blue whales. But this natural wonder is under threat from a mega gas drilling and carbon dumping proposal. Fossil fuel campaigner Louise Morris from the Australian Marine Conservation Society joins us to explain what’s at stake and how we can fight back.

Plus: we unpack Australia’s new 2035 ...

Cyclones are part of life in the tropics, but climate change is making them stronger and more destructive. On the Great Barrier Reef, their force can pulverise thriving coral gardens into unstable rubble fields where baby corals struggle to grow. But there’s hope! In this week’s episode, we dive into an innovative solution that’s helping damaged reefs bounce back — and discover how you can play a role in bringing them back to life ...

Seagrass meadows are the unsung heroes of the Great Barrier Reef – nurseries for fish, food for turtles and dugongs, and a frontline defence against climate change. But after a massive die-off, Dr Tim Smith and the team at JCU TropWATER faced a huge challenge: how do you restore these fragile ecosystems while dealing with crocodiles, stingers, and waist-deep mud?

The answer: helicopters, hovercraft, dugong poo, 2,000 baby seagrass p...

Ever dreamed of exploring the Great Barrier Reef for free—while making a real difference? With Reef Check Australia, volunteers can join survey dives and help clean up marine debris, all while experiencing the Reef up close. But what does it take to become a qualified reef surveyor? In this episode, Reef Check Australia’s General Manager, Jodi Salmond, shares how you can get involved and play a hands-on role in protecting this natu...

What has no arms, no legs, and no brain, but can flash like a disco light, help control pests and kill you in minutes? Queensland Museum's mollusc expert Darryl Potter has spent three decades fearlessly tracking down these armoured beasts all along the Great Barrier Reef, and he's here to tell us why they're more than just an ornament for your bathroom. It's one shell of a show!

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Growing up with ADHD and Dyslexia, Aliah Banchik never thought she could achieve calm focus, let alone become a successful scientist, artist and Netflix star. Then she discovered sharks.

In this inspiring episode, Aliah shares her mission to reshape how we see both sharks and neurodivergence, revealing the beauty in misunderstood animals and people alike.

We’ll also chat about her journey on Netflix’s All The Sharks—no spoilers, we p...

Did you know some of our marine fish are living DOUBLE LIVES? That’s right, they want the best of both worlds, saltwater and freshwater. So one minute they’re living the dream on a beautiful coral reef, next minute they’ve decided they need a tree change, and they’re swimming up into our rivers. What are they doing there? And importantly – what happens when humans build dams, causeways and other watery traffic jams that block these...

Whale sharks—harmless, majestic giants—have long been mystery visitors on the Great Barrier Reef, their movements shrouded in secrecy... until now. In a groundbreaking discovery, scientists have identified the Reef’s first known whale shark aggregation site. Join us as we uncover where these elusive creatures have been hiding with Ingo Miller—marine biologist turned shark detective. On a mission to find and protect the world’s larg...