Oarfish are rarely documented by scientists, but one was seen this month by a group visiting a beach in Mexico.

Social media users are reacting to the rare sighting of a black seadevil anglerfish that was spotted on the surface of the water near Tenerife island in Spain.

As long as deep sea creatures like oarfish, seen as harbingers of doom, keep away from the land and – oh wait, one just ...

A rare oarfish, often called the "doomsday fish," was spotted in Mexico—just days after another deep-sea creature, a deep-sea ...