Diving at Gray’s Reef | Gray’s Reef National Marine Sanctuary https://graysreef.noaa.gov/visit/diving/sights-and-sounds.html
Gray’s Reef is teeming with marine life一from loggerhead sea turtles that rest at the reef, to the more than 200 unique species of fishes and sharks and 900 species of invertebrates. With the abundance of marine life, the sights and sounds while scuba diving are also unique to the region.
Marine scientists have been using underwater microphones—known