Cruising at a depth of 8,336 meters (over 27,000 feet) just above the seabed, a young snailfish has become the deepest fish ever filmed by scientists during a probe into the abyss of the northern ...

Meet the Atlantic wolffish, green humphead parrotfish, and other unusual species with extraordinary adaptations.

Deep-sea creatures in the trenches of Japan’s volcanically active "Ring of Fire" belt are rapidly adapting to immense depths, ...

The deep sea, covering approximately 65% of Earth's surface, has long been considered a biological desert. In this extreme environment—particularly in the hadal zone at depths greater than 6,000 ...

A new study offers the first direct evidence that deep-dwelling mesopelagic fish, which account for up to 94% of global fish biomass, excrete carbonate minerals at rates comparable to shallow-water ...