by the oceans like the one you see behind me? it was very apparent this week because water temperatures reached near global record highs. so 101 degrees reported in the ever glades, just incredible amounts of heat. it s not just the corral impacted by the marine heat wave. it s also fish. the florida fish and wildlife commission actually reporting that some of the warm water is reducing the level of oxygen in the water so they re seeing fish kills and noticing sharks are changing their behaviors seeking cooler waters. it s all interconnected. we re here to determine how much the water will affect the corral reef, ecosystem. we ll go diving with the experts in in the field and report back later today. it s the direct impact and also the indirect impacts that we re seeing. we ll let you get to that story.
now, imagine if you have been found under water in the south pacific. this beautiful reef located what s called the twilight zone. organisms can flour ished. cnn shows us why scientists w want more to be done to explore the world s ocean. here off the coast of tahiti. a stunning discovery. 230 feet below the surface was this. a huge, rose shaped corral reef near buy two miles long. researchers led scientific mission discovering. that s where they found one of
the largest corral reef discovered in tahiti. how much we have not yet to uncover in our ocean s depths. martha raddatz has the story for us. reporter: 200 below surface was this. a corral reef nearly two miles long. researcher on a scientific mission discovered at the depth of the ocean known as the twilight zone. 200 feet below the surface where it is just enough light to sustain life. that s where they found one of the world s largest corral reef appeared to be unaffected by climate change, stunning since warming water wiped out the half of the earth s reef.