It is almost 1,000 km long, with vivid corals and a wide variety of fishes. And it is not the Great Barrier Reef. Last year, scientists from the US and Brazil stumbled upon a massive coral reef at the mouth of the Amazon river
Bending theories
9,300sq km
Area of the Amazon reef system
New threat
The Amazon reef now faces a new threat—oil drilling. Many oil companies including giants BP and Total are preparing to start exploratory drilling near the reef, according to the Guardian. The Brazilian government has already licensed blocks for drilling, with the closest just 10 km from the reef