Scientists discovered a vibrant hermit crab with unique red claws and fascinating underwater sound-making ability.

MONTEREY, Calif. — More than two decades after spotting a mysterious, gelatinous, bioluminescent creature swimming in the ...

A giant deep-sea crab has been caught in a fisherman's nets off the Isles of Scilly. The one meter box crab, which has been named Spud, has a missing claw and is being cared for at Newquay's Blue ...

Clusters of white crabs on the ocean floor helped lead scientists to a new discovery off the Galápagos Islands: a field of hydrothermal vents, or deep-sea hot springs, full of life. The ...

"Everyone in the control room let out a loud 'Oooooh!' at the same time. We were all enchanted," a researcher said.

Millions of red crabs are migrating across Christmas Island in Australia, with video showing them dotting the road on their ...

Deep-sea researchers have discovered a strange glowing sea slug off the coast of California that lives in the water column — ...

a phenomenon seen in other deep-sea creatures like the giant squid and the Japanese spider crab. It lives from 500 to 7,000 feet (152 to 2,133 meters) deep, from the lower epipalegic (sunlight ...