Big fish, small fish, redfish, and even a “big black fish” all pulled out of the gulf for the 91st annual Alabama Deep Sea Fishing Rodeo.

The deep sea provides food to many species in shallower waters, like the swordfish, which dives up to 1,200 meters to feed. Related We’re protecting the ocean wrong ...

The deep sea refers to the part of the ocean below 200 meters (656 ft.), at which light begins to disappear. Despite making up more than 90% of the Earth’s marine environment, ...

The deep sea needs rules, says the head of the body that governs it Leticia Carvalho on why the world will be worse off if America goes its own way. Share. Illustration: Dan Williams.

The deep sea begins roughly 200 meters below the surface, at the depth where sunlight disappears. It makes up more than 90% of the ocean’s volume, yet most of what lies beneath remains a mystery.