Fish species living in the deep sea feature a surprisingly large range of body shapes that evolved in different ways and at different rates depending on where the fishes live in the ocean, new ...

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 ...

How do the bodies and lifestyles of fishes change as you dive deeper into the ocean? That question is the subject of a new study analyzing footage from waters near Puerto Rico, which is helping ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some types of sea ...

Scientists have uncovered why big predators like sharks spend so much time in the ocean’s twilight zone. The answer lies with mid-sized fish such as the bigscale pomfret, which live deep during the ...

Americans love seafood—especially salmon. Fishermen and Indigenous peoples on this continent have long revered salmon as a cultural touchstone with phenomenal life histories and deep connections to ...