At dusk, millions of fishes, crustaceans, squids, and other animals leave the ocean's twilight zone and swim to the surface. At dawn, they return to deeper waters. New research by MBARI Senior ...

Antarctic krill swimming between the Southern Ocean's surface and seafloor depths, make a "surprisingly small" contribution to the carbon export "highway" compared to their fast-sinking feces, ...

Every day, zooplankton make their way to deep water in the morning and rise as the sun sets. This process, known as diel vertical migration, is carried out all over the world by marine and freshwater ...

A squid swims in the dark waters of the Mediterranean. Billions of aquatic animals, from krill to squid, travel to surface waters each night, a migration that scientists are only beginning to fully ...