Strange creatures straight out of a science-fiction movie have been captured by scientists off the coast of Antarctica. Pink and bulbous "sea pigs", hand-sized sea spiders and delicate sea butterflies ...

Hundreds of 'very strange' sea creatures have washed up on a beach in Hampshire. Peter Hobby had been conducting a bird ...

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 its ...

The orange-clubbed sea slug is "a small colourful sea slug that can be found grazing on sea mats on the rocky shore. They are ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Thousands of rubbery blue "by-the-wind sailors" are washing up on California beaches following ...

In the inky blackness nearly 10,000 meters below the Pacific Ocean, scientists have discovered strange animals that may hold ...

The knotty sea spider, Pycnogonum litorale, is not actually a spider, but it does represent a significant early branch in the genetic family tree that includes spiders, as well as scorpions, ticks and ...

The anemone is part of a new species, genus and family, according to the study. Photo by Yanghong Yu via Unsplash A “strange” creature recorded in the deep waters off the coast of Japan represents an ...

Few animals seem less animal-like than sea cucumbers. The long, slender beings often appear motionless like the vegetable they resemble as they bask on the seafloor. They lack a brain, eyes or obvious ...

A newly discovered predatory “death-ball” sponge in the Southern Ocean hunts small prey with tiny hooks, revealing surprising ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...