At first, the animals looked like nudibranchs, sea slugs “well ... divers were collecting soft coral when they noticed one of ...

the framework of the coral reef is filled with sediment and cemented with calcite and aragonite. If sea level changes, the reefs become exposed to corrosive rainwater that dissolves the unstable ...

Beneath the waters off Egypt’s Red Sea coast, a kaleidoscopic ecosystem teems with life. It could become the world’s “last coral refuge” as global heating eradicates reefs elsewhere ...

Alex Mustard (UK) shows the biodiversity of a healthy coral reef as ghost gobies swim within the branches of a sea fan. Alex is particularly fond of gobies. These little fish are normally skittish, ...

The ornately colored sea anemone (uh-NEM-uh-nee) is named after the equally flashy terrestrial anemone flower. A close relative of coral and jellyfish, anemones are stinging polyps that spend most ...

A diver glides over an expanse of bone-white coral branches, recording the fish that dart between the ghostly arms extending from the sea floor off the Thai island of Koh Tao. Nannalin ...

Record-breaking ocean heat has taken a devastating toll on one of the world’s greatest natural wonders, with coral bleaching ...

This coral (pictured below) would have provided sanctuary for thousands of sea creatures including oysters and plants amid its complex system of crevices, layers and branches. 'A great number of ...

It tells of a time 125,000 years ago, when a modest increase in Earth’s temperatures caused ice sheets to melt and global sea levels to surge. The height of the coral — which can grow only ...

To help rare elkhorn corals survive in Florida waters, coral researchers should place them in shallow ocean locations with fast currents, scientists explained in a recent publication.