Sharks ‘functionally extinct’ from 1 in 5 coral reefs, says study

Sharks are ‘functionally extinct’ from one-in-five coral reefs, according to comprehensive three-year survey A global survey paints a gloomy portrait of reef sharks populations In a three-year survey of  371 reefs around the world scientists found that almost 20 percent didn’t harbor a single reef shark Overfishing and human populations density are the biggest factors … Read more