We know surprisingly little about the deep ocean or the strange creatures that live there. These unusual animals have evolved ...

The deepest living fish ever recorded have been caught — and caught on camera — miles beneath the surface of the north Pacific Ocean. In total darkness except for a light cast onto the bottom ...

A massive research initiative to explore deep-sea creatures brought discoveries to light in the northern Pacific Ocean last year, when scientists filmed and captured three fish at depths never ...

A fish has been captured by researchers swimming at never-before-recorded depths of over five miles below the ocean’s surface off the coast of Japan, researchers announced. The unknown species ...

It bobs along the ocean floor, using as little energy ... the surface when looking for food. Living in depths between 2,297 ...

Its stomach, for instance, takes up much more space than in other snailfishes, which is thought to allow it to eat a lot when it comes across scarce prey on the ocean floor ... of deep-sea fish.

The strange life-forms lurking in Earth's deepest seas ... their behavior: the fish left behind a variety of pits, scrapes and sinuous trails in the sediments on the ocean floor.

Scientists exploring a marine trench near Japan were astonished to see a fish in one of the deepest parts of the ocean, at 8,336 ... snailfish is probably living at the greatest depth possible.

Fish living closer to the ocean surface have ... "They live off chemicals coming out of the sea floor," says Shank. Deep-sea fish have also adapted to survive in a low-oxygen environment.