More Corals

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 sand is aptly named: it's sand made up of tiny bits of coral and other ocean animals such as foraminifera , molluscs, and crustaceans. This image, taken at 100x zoom, took 18th place in the...
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 .
Found 1,751 m (5,745 ft) below the surface of Hawaii’s waters in 2007, this orange bamboo coral is 1.2–1.5 m (4–5 ft) tall. It is thought to represent a new genus. Learn about more deep-sea...
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...
The New England Seamount Chain is the longest in the North Atlantic Ocean. It includes more than 30 major volcanic peaks. Seamounts provide a solid surface for corals and other marine animals to...
Sponges are animals that eat tiny food particles as they pump water through their bodies. They are very common on Caribbean coral reefs, and come in all shapes, sizes and colors. There is great...
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...
A photo taken at a reef near Bocas del Toro, Panama. The reef suffered a mass bleaching event in the summer of 2010, when water temperatures were unusually high. In this photo, healthy brown coral...
Large numbers of grey reef sharks ( Carcharhinus amblyrhynchos ) were observed at Jarvis Island, an uninhabited Pacific island, during the 2010 Pacific RAMP expedition of the NOAA Ship Hi'ialakai ...
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...
Red coral necklaces fill a store display window. The United States annually imports around one million live coral animals from tropical reefs for use in aquariums, and is the largest documented...
Flower-like zoanthids, relatives of coral, carpet a hydrothermal vent. This species of zoanthid is the first ever discovered at a hydrothermal vent. See more pictures of incredible deep sea diversity...
Lights attached to this modern deep-sea camera system enable scientists to capture detailed images of deep-sea coral reefs and their inhabitants in otherwise dark water. Learn more about how ocean...
A variety of corals colonize the rocky surface of Manning Seamount, part of the New England Seamount Chain located in the Atlantic Ocean just off the coast of Cape Cod, Massachusetts. This photo was...
The Pisces IV submersible sits on a saddle near Kingman Reef in Hawaii next to a gold coral ( Gerardia sp. ). The photo was taken by another Hawaii Undersea Research Laboratory submersible— Pisces V...
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...
Discovered in 2004 and named in 2009, this Gersemia juliepackardae coral has been spotted and collected at several seamounts in the northeast Pacific Ocean at depths of 500-2,000 m (1,640-6,562 ft)...
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