The deep sea is filled with all manner of weird and wonderful creatures. Among them is a bizarre eel species with a giant mouth that has a remarkable resemblance to a pelican's beak. Dubbed the ...

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 ...

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.