A rare predatory fish which lives 2,000 metres below sea level has been spotted in broad daylight. Spanish shark researchers say they may have captured the first-ever footage of a black seadevil fish.

Flying fish can be seen jumping out of warm ocean waters worldwide. Their streamlined torpedo shape helps them gather enough underwater speed to break the surface, and their large, wing-like ...

Scientists have been searching for the species since it disappeared in 1933. Researchers have rediscovered a rare fish species presumed to be extinct after it was not seen for more than eight decades.