ROV Expedition
A researcher lowers a remotely operated submersible vehicle into the waters of the Great Barrier Reef.
Ribbon Reef
A scuba diver swims among colorful fish and coral in the northern Great Barrier Reef's Ribbon Reef. Researchers exploring the deep edges of the reef recently found coral living at 410 feet (125 meters).
ROV at Ribbon Reef
The remotely operated vehicle (ROV) sits on a cliffside at Ribbon Reef in the northern Great Barrier Reef.
Deep Coral
Coral was found lower than ever seen before in the Great Barrier Reef. The corals are four times deeper than most scuba divers can dive.
Deep Coral Reef
The corals are found in a place that is difficult to explore because of bad weather.
Deep Great Barrier Reef
Deep corals found in the northern Great Barrier Reef.
Deep Coral
At 410 feet (125 m), these corals are the lowest ever seen at the Great Barrier Reef, though many non-light-dependent corals can survive at thousands of feet below the ocean surface.
Coral Specimen
A single specimen of coral brought up from 410 feet (125 m).
Coral Specimen
The coral is of the genus Acropora, a common reef coral.
Research Team
The expedition team celebrates their collection of the deep coral specimen.
Flat Coral
A shallower dive reveals how corals spread flat at depth to catch more light.