Author: Aaron Lim
Most people associate the word “coral” with sunshine, blue skies and Australia’s Great Barrier Reef. In fact, more than half of the 5,100 species on the planet exist as “cold-water corals” in deep and dark parts of the world’s oceans.
Unlike most other animals, corals are immobile and so rely heavily on currents to transport tiny bits of organic material to feed on.
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