As it drifts through the inky blackness of the "midnight zone" in the deep sea, the pelican eel undulates its narrow, whiplike tail and long, snakelike body. It's hard to imagine its slender form ...

Elusive eels may use ultra-black pigmentation alongside bioluminescence to pounce upon and engulf unwitting prey. When you purchase through links on our site, we may earn an affiliate commission. Here ...

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 ...

A team of researchers working off the coast of Costa Rica spotted a pelican eel that had “very recently eaten” while performing a Remote Operated Vehicle (ROV) dive on June 20. Footage from the ...

OFF THE COAST OF COSTA RICA (KFOR/Storyful) – A deep-diving Remote Operated Vehicle (ROV) off the coast of Costa Rica captured video that researchers believe has never been caught on camera before.

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.

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 ...