Media Gallery: Video

Endangered Ocean

From snails to whales, approximately 2,270 species are listed as endangered or threatened globally under the U.S. Endangered Species Act (ESA). Of the species that are listed, approximately 150 of...

Just How Big Is the Ocean?

The ocean, which we often break into five large ocean basins, covers 71 percent of the Earth's surface and holds over 1.3 billion cubic km of water. This massive space also holds over 99 percent of...

Cashes Ledge

Cashes Ledge is an underwater mountain range off the New England coast, which is home to a great diversity of life. Because the rocky and steep peaks almost reach the surface in some areas, it is...

Oil’s Impact on Marine Invertebrates

In the aftermath of the Gulf oil spill, what is the effect of oil on invertebrates like jellyfish, clams, crabs, sea stars, and plankton? The scope of the damage is more easily observed among birds...

Creep into the Deep

Down below where the sunlight cannot penetrate, the ocean is a dark, cold and alien landscape. Can life really exist in such an extreme environment? NOAA Ocean Today Every Full Moon takes a look at...

A Battle With Octocoral for Food

Although not strictly speaking a predator, a sea-anemone-like animal called a zoanthid overtakes the surface of some Paragorgia octocoral colonies, crowding over the original coral animal and...

Fujiwhara Effect

What happens when hurricanes collide? They begin a circular dance in what's called the Fujiwhara Effect.

Jellies Prey on Octocoral

Tiny jellyfish ( Aegina citrea ) settle on the feeding polyps present on the branch tips of some octocorals, where they devour the tissue.

Sea Stars Feed on Octocorals

Spiny goniasterid sea stars methodically feed on the soft tissues of octocorals as they slowly climb up the body. Many of these predatory sea stars are known to remain on the corals for a very long...

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