Get latest articles and stories on Science at LatestLY. There is as much life underwater as much as there is above the water. One of the most fascinating marine creatures is undoubtedly, corals. Corals are invertebrate animals belonging to a large group of colourful and fascinating animals called Cnidaria. A new study led by researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science found that corals that underwent a stressful temperature treatment in the laboratory for 90 days were more tolerant to increased water temperatures. Science News | Study Finds Corals Can Be 'trained' to Tolerate Heat Stress.