Tuskfish uses rock to crack open cockle shell

Tuskfish uses rock to crack open cockle shell

Scott Gardner was returning from an 18-metre dive in the Keppels on 12 November 2006 when he heard a cracking noise. He saw a tuskfish hovering just above a sand patch near a rock grasping a cockle in its mouth. His photos show the fish grasping the shell in its jaws...
Crustose coralline algae

Crustose coralline algae

Crustose ccoralline algae are rock-hard, calcareous red algae that fulfil two key functional roles in coral reef ecosystems: they contribute significantly to reef calcification and cementationthey induce larval settlement of many benthic organisms. They encourage baby...
Fluorescing corals turn out to be bleached

Fluorescing corals turn out to be bleached

Pinned on Pete’s dive shop wall were faded colour photos of the coral reef flat around the Middle Island Underwater Observatory at low tide. Every round, pin-cushion-shaped coral colony was a different shade of pale pink, blue, purple and yellow, like a Ken Done...
From dive-shop girl to research scientist

From dive-shop girl to research scientist

In 1994, following my first SCUBA dive at Middle Island with Peter Williams of Keppel Reef Scuba Adventures, I developed an insatiable need to see the reefs, to learn about their intricate complexity and the factors that drive them. It was through Pete Williams and...