But what exactly is coral bleaching, and why is this so damaging? We’ll explain everything you need to know, in a nutshell… Corals are tiny animals called a ‘polyps’, that typically live in large ...

Coral polyps, the reef's building blocks ... in 1997-98 was linked to a severe El Niño year and record-high sea-surface temperatures—in some spots 3°F higher than normal.

These “sand-encrusted” polyps form “small groups embedded and ... Francisca’s cluster anemones were found growing over sea sponges or “directly” on rocky cliffs, researchers said.

The man-of-war comprises four separate polyps. It gets its name from the uppermost polyp, a gas-filled bladder, or pneumatophore, which sits above the water and somewhat resembles an old warship ...

Courtesy Andrea Quattrini A new small sea creature was discovered during ... species of soft coral that has a yellow center and long polyps with tentacles, according to a study published March ...