While not all shark species are large, (the Dwarf Lantern, for example, is so small it can fit in a human’s palm) several species can pride themselves in being the largest fish in the sea.

They have the largest brain-weight ratio in cold-blooded fish species, and some populations even form close-knit communities.

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

We may never really know precisely what the biggest fish ever caught was — or who caught it, or where. The world’s waters are deep and mysterious places, and the best fishermen are good at kee ...

Jara and his team were able to swim alongside and capture this rare sighting of the black seadevil, a species that usually inhabits the inky depths of the ocean ...

A team of marine biologists in Tenerife, Canary Islands, have caught on video a rare black devil fish for the first time in ...

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