New discovery of a fragile ecosystem beneath undersea volcano leaves researchers baffled. They fear it may be vulnerable to ...

Looking like it originated in the mind of a cartoonist, this bad-tempered triggerfish hangs out—as do others of its ilk, of which there are 40 species worldwide—on the ocean floor.

In a video by the Ocean Exploration Trust, scientists return to a whale fall off the coast of British Columbia for the third ...

Sea cucumbers may appear slow and unassuming, but they have developed an incredible and unforgettable defensive strategy.

Beneath the ocean floor, under hydrothermal vents spewing hot water, a community of animals thrive. That's according to a study published today in Nature Communications which reports, for the ...

As you’ll see in this amazing YouTube video, dugongs are famous for moving along the ocean floor like vacuum cleaners, ... The dugong is an interesting animal with ties to many other species.

Scientists on the US West Coast say they discovered three previously unknown species of deep-sea spider that could have a rare diet fueled by a common greenhouse gas.

In 2022 the Monterey Bay Aquarium Research Institute reported a new species of nudibranch crawling on the ocean floor near the Gulf of California at a depth of more than 7,700 feet.

There are a number of sea animals that operate entirely on instinct ... Despite their lack of complex thought, they play an important role in cleaning the ocean floor by breaking down organic material ...

The Schmidt Ocean Institute shared footage from it's Chile Margin expedition on Instagram that shows a sparkling deep-sea worm known as a polychaete.

Researchers say the polymetallic nodules that mining companies hope to harvest from the deep-ocean seafloor may be a source of oxygen for the animals, plants and bacteria that live there.