In the ocean’s twilight zone, which receives minimal amounts of sunlight, bioluminescent animals can hide their silhouette from predators lurking below by producing enough light to match their ...

Look, here comes a blobfish! This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation Society. But its jelly-like skin looks much more natural at 900 meters.

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order ...

According to Bruce Robison, a senior scientist at the Monterey Bay Aquarium Research Institute, it’s “the most comprehensive description of a deep-sea animal ever made.” The team published ...

The discovery raises new questions about deep-sea ecosystems. For instance, are there links between the types of animal life and microbes found within the hollows? “I also can’t help but ...

Sponges would make sense as the oldest animal. They are simple creatures, with no muscles or nervous system. They anchor themselves to the ocean floor, where they filter water through a maze ...