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, ...

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 ...

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.