Deep Ocean

Difficult to reach, the deep ocean is still very much a mystery and is often explored using remotely operated vehicles or submarines. The deep sea is vast and dark, but many organisms call this area home. 

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A photo of a squid using bioluminescence to hide in the deep sea.

DIVE DEEPER

Bioluminescence

You may have seen the sparkle of fireflies on a summer’s night. The fireflies produce light through a chemical reaction in...

Meet the Tiny Bacteria That Give Anglerfishes Their Spooky Glow

Descend two hundred meters (about 656 feet) below the surface and the ocean is reduced to total darkness. Creatures that live beyond the Twilight Zone spend their lives almost entirely in a near-limitless black...
Photograph of the underside of a gelatinous octopus with a bright yellow bioluminescent ring around her mouth.

Ocean Today Every Full Moon

Our friends at NOAA (the National Oceanic and Atmospheric Administration) Ocean Today have a great new video series, "Every Full Moon," that we wanted to share with you.

Searching for Crustaceans in the Deep Sea

In this video Smithsonian research zoologist Dr. Martha Nizinski takes viewers with her as she searches for crustaceans in the deep sea . She's particularly interested in finding squat lobsters , which despite their...

Video of Cirrate Octopod aka Dumbo Octopus

This octopod is sometimes called a “Dumbo” octopod because its fins resemble the ears of Disney’s Dumbo the elephant. The video was recorded in 2003 on the Mid-Atlantic Ridge by the Russian manned submersible...

Life After Whale (On Whale Falls)

When a whale dies, the story has just begun. The massive carcass sinks to the seafloor, where it provides food for a deep sea ecosystem on the otherwise mostly barren seafloor. There are several...

Hydrothermal Vent Creatures

Travel to a world of perpetual night--the deep ocean hydrothermal vents near the Galapagos Rift where life thrives around superheated water spewing from deep inside the Earth. Discovered only in 1977, hydrothermal vents are...

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