A large gray serpent-like eel with a large lump in its stomach swims through the dark ocean. Ocean explorers recently stumbled upon an extremely unusual sight in the Pacific's deep sea — a rare, ...

Anybody who’s ever seen a Blue Planet documentary, or pretty much any other nature show narrated by Sir David Attenborough, knows that the depths of the ocean are jam-packed with nightmarish creatures ...

Scientists saw a mysterious deep sea animal, still misshapen from its last meal, swimming off the coast of Costa Rica, a first-of-its-kind video shows. Screengrab from the Schmidt Ocean Institute's ...

Remotely operated vehicle on a research dive captures close-up video of a beady-eyed gulper eel with a parasitic copepod permanently attached to its body. When you purchase through links on our site, ...

The slender "gulper eel" can unhinge its jaw and expand its throat, enabling it to eat squid-sized prey in a single gulp. When you purchase through links on our site, we may earn an affiliate ...

Contentedly full from its last meal, a mysterious sea creature swam through the royal blue depths off the coast of Costa Rica. Twirling and spiraling, the misshapen animal moved in a mesmerizing way.