These rare deep-sea fish have a horrifying appearance with large mouths and lots of teeth to catch prey in the deep ocean.

Another deep-sea dweller washed up on a Carlsbad beach this week and its body now joins millions of other rare specimens ...

A rarely seen deep-sea oarfish that is believed to have inspired sea monster legends was spotted along the shores of Mexico as seen in a video captured by a beachgoer.

The discovery of a well-preserved fossil is helping researchers learn more about an iconic Jurassic-period species.

Coronel reached out to the marine biology community online and was ultimately connected with San Diego's fish expert Ben Frable ... the scientist confirmed. While rare, it's not the first in ...

Footage recorded of the rare fish shows the intricacies of its iridescent, ribbon-looking body and long, wispy red fins.

A deep-sea fish was recently caught on camera in a rare moment off the coast of Tenerife, Spain. Condrik Tenerife, a Spanish conservation organization, and marine photographer David Jara Borguna ...

The discovery is not just a curiosity—it’s a crucial reminder of the ocean’s hidden biodiversity. The black seadevil serves ...

The black seadevil (Melanocetus johnsonii), known for its bioluminescent lure and fearsome appearance, typically inhabits the ocean’s depths, between 650 and 6,500 feet. The fish was filmed by ...

Scientists spotted the anglerfish in shallow waters, which is highly unusual and could indicate something deeper ...

A rare predatory fish which lives 2,000 metres below sea level has been spotted in broad daylight. Spanish shark researchers ...