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 ...

The fish was found at 200 to 2,000 meters below the surface. At least 16 types of recently discovered deep-sea fish are among the darkest creatures ever found, according to a study published Thursday.

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 ...

In a dark, unexplored layer of ocean, a hidden cache of fish might play an unexpected role in our climate’s future. By Moira Donovan / Hakai Magazine Published Nov 29, 2023 7:00 AM EST This article ...

An "odd-looking" deep-sea fish recently washed ashore on an Oregon beach to the surprise of a local aquarium. The Seaside Aquarium in Seaside, Oregon, published pictures of the dead fish in an April ...

A new study suggests that estimates of the health of the world’s fisheries may be too optimistic. By Manuela Andreoni Counting the number of fish in the ocean may well be one of science’s toughest ...