the elephant seals enter the "twilight zone" -- also known as the mesopelagic zone -- a layer of the ocean that extends from about 656 feet to 3,280 feet below the ocean's surface that is abundant ...

The researchers studied tissue from over 120 fish. They found that 50 to 60 percent of their diet came from ocean’s twilight ...

How far would you go for a good meal? For some of the ocean's top predators, maintaining a decent diet requires some ...

The twilight-zone fish migrate vertically, feeding on zooplankton in surface waters before returning to the ocean depths during the day. This vertical migration transports surface carbon to deep ...

The open ocean’s twilight zone, a vast deep ecosystem rich in fish biomass, is poorly understood because it is expensive and challenging for humans to reach its depths 200–1000 meters (660 ...