The 100 faces of Sydney’s magical underwater world

Sponge gardens, kelp forest and sea urchin barrens. Sydney’s coastal habitats are as diverse as the creatures that live there. Join us on a trip into Sydney’s amazing underwater world professionally guided by our guest, UNSW marine scientist, Dr John Turnbull.

Sponge gardens – one of Sydney’s many marine habitats.

Why do sea urchins sometimes wear shells and other small debris as hats? What is munching away on kelp and what how does cray weed manages to float upright in the water?

Our guest has all the answered. Listen in this week’s episode!

John exploring his favorite dive sites along the Sydney coastline.

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