These sea monsters grew upwards of 40 feet (12 meters) long. About half that length was neck, a feature that allowed Styxosaurus to sneak up on schools of fish as it slowly cruised the shallow ...

The basking shark’s scientific name, Cetorhinus maximus, roughly translates to “great-nosed sea monster” in Greek. In reality, these placid sharks, found the world over, are totally harmless.

Because of their size and bizarre appearance, oarfish are believed to have spawned tales of sea monsters among ancient mariners. According to National Geographic, they reside mostly at depths of ...

A rare predatory fish which lives 2,000 metres below sea level has been spotted in ... Expert Bruce Robison told National Geographic the black seadevil could have been swallowed by a larger ...