Fish and coral can sniff out bad reef and stay away: Study

August 24, 2014 12:19 PM

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Fish and corals can each smell bad reefs from far away when searching for a place to settle.

Coral reefs damaged by overfishing and other causes release a chemical warning signal to other marine life. Fish are essential in removing seaweed that collects on damaged reefs. Without the animals to remove the marine algae, the reef can become encompassed. In extreme cases, the seaweed can comple...

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