NOAA

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...

Deep-sea octocorals: An ecosystem of their own

Octocorals dominated the seafloor on Chris Mah's Okeanos mission to Johnston Atoll in the remote Pacific Ocean. Credit: NOAA Office of Ocean Exploration and Research, 2017 Laulima O Ka Moana The deep-sea is a...

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...

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 competing with the coral’s polyps for food.

Deep Sea Dive

NOAA Ocean Today Every Full Moon takes you on a dive to the depths of the ocean. Using Remote Operating Vehicles (ROVs) scientists can now explore areas of the ocean floor that were once...

Ocean Currents: Motion in the Ocean

When you look underwater, what is making the seagrass wave in the water? The answer is ocean currents . Ocean currents are continuous movements of water in the ocean that follow set paths, kind...
Satellite view of the Gulf Coast oil spill off of Louisiana, April 29, 2010.

State of Emergency in the Gulf

The explosion of Deepwater Horizon, an oil-drilling platform roughly 50 miles off the coast of Louisiana, is quickly growing into an environmental disaster that will leave its mark on coastal communities, fisheries, wildlife, and...

Celebrate World Ocean Day

June 8th is World Ocean Day- a great time to celebrate all that the ocean does for us and focus on keeping it healthy for future generations. Visit the Ocean Portal's Find Your Blue...