Award winning radio Producer Mike Ladd takes a drive into the Mallee to discover its magic.

Award winning radio Producer Mike Ladd takes a drive into the Mallee to discover its magic.

These curious coral reef inhabitants have evolved some remarkable adaptations to thrive in the underwater realm.

These curious coral reef inhabitants have evolved some remarkable adaptations to thrive in the underwater realm.

One small public notice stating the intention to mine Ellison Reef was the seed from which the 'Save the Barrier Reef' campaign was spawned. To celebrate the Reef Diver project, we've brought this episode up form the depths of the Off Track archives.

One small public notice stating the intention to mine Ellison Reef was the seed from which the 'Save the Barrier Reef' campaign was spawned. To celebrate the Reef Diver project, we've brought this episode up form the depths of the Off Track archives.

It is covered in flamboyantly coloured sausages, it’s a hermaphrodite, breathes through its skin, goes through metamorphoses AND this new species has just been officially named!

It is covered in flamboyantly coloured sausages, it’s a hermaphrodite, breathes through its skin, goes through metamorphoses AND this new species has just been officially named!

Next to nothing was known about sperm whales in the Southern Ocean. That is, until the Australian Antarctic Division started listening to their clicks.

Next to nothing was known about sperm whales in the Southern Ocean. That is, until the Australian Antarctic Division started listening to their clicks.