Ancient and complex, the rare blue coral reef of Shiraho, Ishigaki Island - part of the Ryukyu island chain, Japan's southernmost - is one of the world's biggest and perhaps oldest blue coral reefs. Though only 3 km long, it contains at least two-thirds the number of species of Australia's 2000-km Great Barrier Reef. Coral is found in Japan all along the Ryukyu chain. Among the most varied ecosystems on Earth, coral reefs support an amazing variety of marine life.
[Translation from English to Japanese ] Ancient and complex, the rare blue coral reef of Shiraho, Ishigaki Island - p...
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