Understanding the ocean depths is crucial for everything from laying undersea ... has been finding the biggest gaps in ...

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 ...

The 750,000-gallon Open Ocean exhibit houses hundreds of fish ... the aquarium provided a more in-depth education into the animals they had spotted underneath the water's surface.

Understanding the ocean depths is crucial for everything from laying ... has been finding the biggest gaps in seafloor knowledge, most often in the open sea and areas outside common shipping ...