Scientists discovered the world's largest coral reef expansion happened 20 to 10 million years ago between Australia and Southeast Asia. This ancient reef system, now largely gone, may have created today's rich marine life.
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Ocean Wins Ocean Wins Planet
Massive reef expansion 20 million years ago may explain modern coral life's origins
20 To 10 Expansion period
Corals And Algae Reef builders
25 % Marine species supported by reefs
Less Than 1 % Ocean area covered by reefs
Parrotfishes, Surgeonfishes, Butterflyfishes New fish groups emerged
20-10 Million Years Ago reefs expanded
Largest Reef Expansion past 100 million years