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Jellyfish have lived on earth more than 600 million years, and boast a diverse evolutionary history. Most jellyfish species live in what is known as the ocean’s “Twilight Zone.” Little is known about this ocean region since it is vastly underexplored, but WHOI is on a mission to change that. With our new AUV Mesobot,…

 7/30/18—The twilight zone, or mesopelagic, is a region of the ocean between 200 and 1,000 meters (660 to 3,300 feet) depth where very little sunlight reaches, but that is teeming with life. WHOI biologist Heidi Sosik is helping lead WHOI’s efforts to expand our knowledge of the twilight zone and its importance to life…

7/27/18—Sharks may be using a special kind of eddy, a swirling body of water beneath the ocean’s surface, to hunt. These particular eddies, anticyclonic ones, are generally warm, downwelling circulations which might allow sharks to expend less energy on their way down into the deep for a feast in the ocean twilight zone. » Read…

7/25/18—Mechanical engineer Kaitlyn Tradd attaches a multibeam sonar to the Deep-See, a new sensor platform that she helped design and build. The platform will weigh almost 1.5 tons once fully loaded with its camera systems, sonar arrays, and environmental sensors. Designed to be towed from a ship via an electro-optical cable, the Deep-See will give…