There are about 200 documented species of jellyfish pulsing their way through the world's waters. Most range from the size of your belly button to the size of a car tire.

We look at some of the biggest fish ever caught by anglers around the world. These fish were all caught with a rod-and-reel, ...

The marine photographer who captured the footage said it could be the world's first recorded sighting of a black seadevil ...

A giant ocean sunfish, also known as a mola ... shows Deputy Ric Urquhart and another deputy walking towards the huge fish that was stuck on the beach near Ponce Inlet, about 12 miles south ...

Beachgoers were shocked to discover an oarfish — a creature whose appearance, according to folklore, can be a good omen or a harbinger of doom.

A scary-looking creature with “devil” in its name was spotted close to the surface off Tenerife, a Spanish island.

These elusive deep-sea creatures have a 3.3-foot-wide ... sheltering underneath a giant phantom jelly. In return, the fish aided the jelly by removing parasites. Lydia Smith is a health and ...

In the wild, ocean sunfish (also known as Mola mola) are thought to live to be around 100 years old, their large, ...

The rare oarfish was found washed up on the Canary Islands, but that did not stop social media become worried a natural disaster could be imminent ...

Bodycam footage shared by the Volusia Sheriff's Office shows officers trying to rescue a huge ocean sunfish stuck on the beach near Ponce Inlet.