Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same ...

In haunting footage captured about 1,604 feet (489 meters) under the sea, cameras captured the tubular crustaceans latched ...

A mysterious deep-sea fish known for having a serpent-like body and sharp fang-like teeth washed up on a Seaside beach April 22. The Seaside Aquarium received a call about a barracuda-like fish ...

Watching the deep sea can often feel like sci-fi. But a recent video from the ocean’s depths has stunned even seasoned scientists — showing two parasites firmly attached to a fish’s head ...

Shocking new footage shows a pair of bloodsucking parasites latched onto the head of a deep-sea rattail fish. In the video, which the Schmidt Ocean Institute shared in a Facebook post, two ...

A strange video from the South Atlantic Ocean showed parasites on a deep-sea fish. These parasites, Lophoura szidati copepods, looked like they had pigtails. They clung to the head of a rattail ...