Coral Reefs

FEATURES

Blog entry
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,...
Coral reefs are bustling cities of marine life, until rising ocean temperatures...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
When snorkeling in the Kahekili Herbivore Fisheries Management Area (KHFMA) in...
Slideshow MORE STORIES Slideshow MORE AUDIO / VIDEO
By Lindsay Aylesworth, Project Seahorse The day I stepped into my wetsuit,...

LATEST POSTS

Is it lights out for corals once they have experienced a bleaching event? Not necessarily. This photo shows a coral reef near Bocas del Toro, Panama that is in the process of recovering from a mass bleaching event that occurred...
Staghorn (seen here) and elkhorn corals are listed as Threatened under the...
A coral ( Montastraea faveolata ) has just spawned. Each of the hundreds of...

LEARN MORE

Coral reefs are the most diverse of all marine ecosystems. They teem with life, with perhaps one quarter of all ocean...
The Tubbataha Reefs National Park site in the Philippines was inscribed on the World Heritage List in 1993. The site is an example of a pristine coral reef with a spectacular 100 m (330 ft)...
Part 6 of a 6-part series describing WHOI's efforts to understand the scope and impact of the Deepwater Horizon oil spill in the Gulf of Mexico. "Assessing the Impacts" describes a range of work by...
A sea lion in the Sea of Cortez observes Dr. Peter Auster as he observes reef fishes. Learn more about deep-sea coral reefs in our Deep-sea Corals article.
Half a century after nuclear testing blasted the reefs of Bikini Atoll, corals have recovered.
These beautiful mandarinfish ( Synchiropus splendidus ) are covered in bright blue, red, yellow and orange waves. What they lack, however, are traditional fish scales. They live in western Pacific...
In this photo of a shallow coral reef in the Pacific there are three species of forams . On the left, Peneroplis planatus . In the center, Amphistegina lessonii . And on the right, Laevipeneroplis sp...
Dr. Valerie Paul is studying chemical defenses that may protect coral reefs from many species of herbivores that live on coral reefs. In this picture she is examining tropical seaweeds on...
Scientists journey to the isolated island of Moorea on a quest to catalog every life form big enough to pick up with tweezers—from mountaintop to seafloor. Get up close and personal with researchers...
Bikini Atoll, formed over millions of years around an island in the Pacific Ocean about halfway between Papua New Guinea and Hawaii, has been subjected to horrific human-caused disturbances. Between...
This close-up photograph of gold coral ( Gerardia sp. ) was taken at the Cross Seamount in the Pacific Ocean at a depth of 400 m (1,312 ft). Gold corals at this location can have lifespans of 2,000...
Coral reefs provide food for swarms of fish, both large and small. More about coral reef ecosystems can be found on our Coral Reefs overview page .
Dr. Amy Baco-Taylor dives to deep-sea environments to study corals and the invertebrates that live in them. Learn how she became interested in deep-sea corals , and explore more in the multimedia...
Dr. Martha Nizinski holds a specimen of a fan sponge ( Phakellia sp. ) collected at a deep-sea coral study site off the coast of South Carolina. Deep-sea corals and sponges provide structure for a...
The festive Christmas tree worm ( Spirobranchus giganteus ) lives on tropical coral reefs and resembles a fluffy fir tree adorned with ornaments. The multi-functional branch-like appendages are used...
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...
Deep-sea coral beds are true biodiversity hotspots. It’s urgent that we study these extreme environments because we know so little about them, because they are important communities for so many deep-...
by Amanda Feuerstein On the east coast of Mexico’s Baja California Peninsula lies a small marine protected area that represents one of the most impressive successes in ocean conservation. Cabo Pulmo...
Several species of deep-sea corals form a garden 165 m (540 ft) below the ocean’s surface off the coast of Alaska’s Aleutian Islands. Explore more in the multimedia feature " Coral Gardens of the...
Subscribe to Coral Reefs