Many of the fish lurking in the depths of the ocean resemble the alien villains of horror films, with gargantuan teeth, glow-in-the-dark bodies and bulging eyeballs. But why do these fish have such ...

Mesopelagic fish, long overlooked in ocean chemistry, are now proven to excrete carbonate minerals much like their shallow-water counterparts—despite living in dark, high-pressure depths. Using the ...

Fish that survive in extreme deep-sea environments have developed the same genetic mutation despite evolving separately and at different times, researchers say. The scientists also found industrial ...