Barreleye fish, or spook fish, are small deep-sea fish with barrel-shaped eyes that usually point upward to spot prey but can ...

All these characteristics make many of them look more like something out of a horror movie than the adorable creatures we are ...

A deep sea "monster" seen in daylight recently shook the internet. But what few know is that another was spotted in the US. So few have been seen since the species was discovered that even when ...

A fossil found in southwest Germany in 1978 has been deemed to represent a new species of marine reptile known as a ...

A deep-sea fish species with unusual cheek patterns has been discovered in the South China Sea after it was listed on online seafood markets. The fish has been named Branchiostegus sanae because ...

Young fish, still attached to their yolk sacs, wriggle in their nest on the Vancouver Island coast. This species, the plainfin midshipman, lives in the deep sea, but surfaces in the spring to mate ...

The fish’s ultrablack body is for camouflage in the deep ocean. “A lot of organisms are producing light — they glow kind of like lightning bugs,” Mr. Frable said.

Glow-in-the-dark dragonfish and flying spaghetti monsters are only some of the 160 species found by an expedition to chart Chile's underwater mountains.

A rare deep-sea fish was spotted in San Diego, one of just 20 that have washed up in California in over a century. Kayakers and snorkelers came across a 12-foot oarfish in La Jolla Cove last ...

The deep sea is not that productive, and you can understand why – there's very little sunlight, so the normal processes of growth in animals is very slow. They also live very long.