It's long been a staple on seafood menus and in frozen fish fillets at the grocery store. But dig a little deeper and orange roughy (also known as deep sea perch) is actually one of the most ...

In what may be the world's first-ever recorded sighting, a black seadevil — anglerfish known for living thousands of feet beneath the ocean's surface where the light no longer touches — was caught on ...

In recent years, a major ocean current changed its path in two crucial ways. Now parts of the sea are rising, other parts are falling, ocean temperatures are breaking records — and Japan’s iconic ...

Fishing experts are looking for ways to fish in the mesopelagic zone, a layer of water that stretches from 200-1,000 meters (660-3,300 feet) beneath the surface, which has, thus far, remained ...

"This study shows that deep-sea fishes, despite originating from very different branches of the fish tree of life, have evolved similar genetic adaptations to survive the harsh environment of the deep ...

A new study offers the first direct evidence that deep-dwelling mesopelagic fish, which account for up to 94% of global fish biomass, excrete carbonate minerals at rates comparable to shallow-water ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

Emily Miller and her friends had planned for a relaxing day of kayaking in La Jolla last weekend — a reunion of sorts for the former roommates. But when they reached La Jolla Cove, the kayakers — most ...

Scientific divers have navigated a series of treacherous dives more than 330 feet deep in an attempt to unravel the mysteries of deep ocean reefs. They’re finding new species — and evidence of both cl ...