: Cellular structures are reinforced to survive weight equivalent to an elephant standing on a thumb.
: Scavengers that roam the seafloor, capable of surviving years between meals.
: Animals create their own light to hunt, mate, or distract predators.
: With food being scarce, many creatures move slowly or have metabolic rates near zero.
: In some species, the lack of light and heat leads to unusually large body sizes compared to shallow-water relatives. Featured Species