More Corals

Discover some amazing corals in this footage that shows and identifies a range of deep-sea coral species from the Juan de Fuca Canyon
Tiny plant-like organisms called zooxanthellae live in the tissues of many animals, including some corals , anemones, and jellyfish , sponges, flatworms, mollusks and foraminifera . These microscopic...
In the wet lab aboard the R/V Seward Johnson , Dr. Martha Nizinski examines a sample of the deep-sea coral Lophelia pertusa , collected 600-m (1,969-ft) deep off the coast of the southeastern United...
Flower-like clusters of polyps make up this coral colony. Their pink color comes from the zooxanthellae living inside. More about coral reef ecosystems can be found in our Coral Reefs featured story .
Far away from the volcanic CO 2 seeps, a healthy coral reef flourishes with a diversity of coral species. Closer to the seeps where the water is acidic, the corals barely even grow. Read more about...
The Hawaii Undersea Research Laboratory’s Pisces V submersible is lowered for a dive to study deep-sea corals. Learn more about research into deep-sea corals in the multimedia feature " Coral Gardens...
The small larvae of elkhorn coral ( Acropora palmata ) settle and grow on the crustose coralline algae species Hydrolithon boergesenii .
Nine years ago I was invited by a colleague to join a research team investigating deep-sea coral habitats . I was asked to examine the invertebrates associated with these ecosystems. After my first...
Black corals, like this one growing on the Manning Seamount off the New England coast, often resemble bushes or trees. Contrary to its name, the living tissue of black coral can be one of several...
A marine scientist performs a genetic analysis on a sample of deep-sea coral to find out if it is a known species or one new to science. Find out how ocean scientists study deep-sea corals in our...
When coral reefs are damaged, they sometimes struggle to grow back because there aren't enough coral seedlings around, and the ones that are around are growing together too closely. Enter: the coral...
Stare at a tide pool and you will often see a crust of pink coating the bottom. No, this is not bubblegum from some careless teenager’s shoe: it’s a stony kind of seaweed that, like other seaweeds,...
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