A Maori, or humphead, wrasse watches us with curiosity as we explore his home reef on the central Great Barrier Reef.
Layers of table corals bloom like a bouquet on the Great Barrier Reef off Port Douglas, Queensland in 2009
After corals die algae may take over covering the once vibrant reef. This coral died of an undetermined cause in Challenger Bay in 2009.
A hammerhead shark patrols the steep drop off at Great Detached Reef on the Northern Great Barrier Reef.
A wave reveals a secret coral garden located on the central Great Barrier Reef near Port Douglas, Queensland.
An aerial view of Great Detached Reef on the Northern Great Barrier Reef. Great Detached Reef is a actually a number of reefs supported by a fossil mountain range.
A cuttlefish looks stops and hovers over coral, looking for a place to hide her eggs in Challenger Bay on the Great Barrier Reef.
Dr. J.E.N. Veron explores a section of Great Detached Reef on the Northern Great Barrier reef in 2009. The Northern Great Barrier Reef experienced massive bleaching in 2016.