Coral reefs have soft tissue called polyp on their skeletal frames, which is made of calcium carbonate, and the bone structure and polyp layers grow over time. Ueda stabilized a coral fragment ...

We’ll explain everything you need to know, in a nutshell… Corals are tiny animals called a ‘polyps’, that typically live in large colonies. Similar to a sea anemone, a polyp has a squidgy body, with a ...