Coral in the Pacific is threatened by plagues of Crown of Thorns starfish. Why?
The destruction of the world's coral would mean the end of a valuable tourist industry and an unexploited source of new drugs. It also means upsetting the whole underwater balance of nature. After five years of patient detective work in the strange and beautiful underwater world of the Red Sea, a group of young British marine biologists have now uncovered many of the remarkable secrets of the mysterious Crown of Thorns.

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