Do you know that the open ocean -- everything except the coast and bottom -- is not the same at different depths? It’s made up of habitats defined by currents, pressure, and temperature, but most of all by light. Join us as we explore one of the most mysterious zones of the ocean -- the mesopelagic zone, where almost no light penetrates! https://oceantoday.noaa.gov/fullmoon-mysteriesofthemesopelagic/welcome.html @NOAA Ocean Today | National Ocean Service