Fabien Cousteau, grandson of the famed SCUBA inventor Jacques-Yves Cousteau, plans to continue the family tradition of pushing the limits under the waves. In a little over a month, Fabien will descend into the last remaining underwater marine lab in the world — Aquarius in the Florida Keys National Marine Sanctuary — to spend 31 days in the habitat as part of his Mission 31. The duration of the mission is twice the length of any previous Aquarius mission and one day longer than his grandfather’s stay in Conshelf II undersea research station. He will quite literally be pushing the known boundaries of human subaquatic exposure.

“It’s about the adventure of discovery — about pushing the boundaries that are familiar to us,” Fabien told Mission Blue.…