News Animals

Not-OK Coral

Full review of status finds a quarter of reef-building species in peril

By Susan Milius

- More than 2 years ago

At least a quarter of the planet’s reef-building corals face a noticeable risk of extinction, according to the first large scale review of hundreds of species.

TOUGH TIMES Porites pukoensis coral (top left, close-up of polyps each some 2 millimeters in diameter when expanded) now ranks as critically endangered.