hadal lander deployed by Alan Jamieson and Thomas Linley from the University of Aberdeen provides a rare glimpse at a few of the animals that live in total darkness on the deep seafloor

Ordinary seaman Michelle Barutha helps deploy a hadal elevator from the deck of R/V Thomas G. Thompson during ballast tests on the dock in Auckland Harbor. The elevator will be used to return an experiment to the surface that aims to quantify the metabolic rate of deep-ocean animals and how this changes with depth in the Kermadec Trench. Photo by Ken Kostel, Woods Hole Oceanographic Institution.

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