Biodiversity

Diversity of Deep-Sea Corals

Sample the surprising diversity of deep-sea corals. See some of the ways they differ in color, shape, and size. Explore more in the multimedia feature " Coral Gardens of the Deep Sea ."

Deep Reef Observation Project (DROP) Video

Dr. Carole Baldwin , a research zoologist and fish expert with the Smithsonian's National Museum of Natural History, gives viewers an inside-look at the Deep Reef Observation Project (DROP). She and her colleagues are...
A submersible explores the deep reefs off of Curacao in the Caribbean.

Summer in a Sub: DROP Down to Discovery

Dr. Carole Baldwin , a research zoologist and fish expert with the Smithsonian's National Museum of Natural History, gives viewers an inside-look at the Deep Reef Observation Project (DROP). You never know where following...
A photo of a sea toad specimen.

A Sub and a Sea Toad

Researchers with the Smithsonian's Deep Reef Observation Project (DROP) collected this sea toad, Chaunax pictus , off the coast of Honduras in 2011. The team is trying to collect sea toads from around the...
A scientists examines a sponge specimen collected in the Caribbean.

Searching for Cancer Drugs in the Ocean

Dr. Patrick Colin , of the Coral Reef Research Foundation in Palau, examines a sponge he collected off the island of Curaçao, in the Caribbean. Colin is conducting research for the National Cancer Institute...
Nine small invertebrates held on two fingers.

On Biodiversity: Understanding its Meaning and Importance

These mollusks and echinoderms are a teeny-tiny sample of the ocean's biodiversity. The Census of Marine Life estimates that there are at least one million species of plants and animals in the sea. Most...
10 grains of star shaped sand collected from southern Japan

The Sant Ocean Hall: Life in the Sand Exhibit

Soft sand, gentle waves, colorful beach glass, seaweed, and scattered shells. It may be a relaxing place to sit with family and friends, sinking your feet into the warm sand. Does this come to...
A photo of Oceana's ice class research vessel, the Hanse Explorer, on the Baltic Sea.

Biodiversity in the Baltic Sea

In the spring of 2011, a research crew from Oceana spent two months in the brackish Baltic Sea . The Baltic faces challenges from pollution, algae blooms, over fishing, and invasive species. Oceana researchers...
A variety of organisms make their home on this tropical coral reef in Indonesia.

Live from the Field: Bali, Indonesia

Exciting the next generation of scientists through research, education, and collaboration in the world's hotspot of biodiversity. A variety of organisms make their home on this tropical coral reef in Indonesia. Credit: © Chris...
A graph compares the crustacean biodiversity of coral reefs around the world.

Hotspot of Biodiversity

This graph compares the crustacean biodiversity of coral reefs in Bali with two sites on the Great Barrier Reef (Heron and Lizard), Ningaloo Reef (NW Australia), Moorea, French Polynesia, Hawaii and the Line Islands...
The Autonomous Reef Monitoring Structure was developed to help scientists study coral reef diversity and have now been adopted broadly to study diversity around the world.

A Better Way to Measure Marine Life

The Autonomous Reef Monitoring Structure was developed to help scientists study coral reef diversity and have now been adopted broadly to study diversity around the world. Credit: Laetitia Plaisance/CReefs, Census of Marine Life Collect,...
A thick stand of mangroves with tangled roots lines an island creek in Panama.

Mangroves

Mangroves are survivors. With their roots submerged in water, mangrove trees thrive in hot, muddy, salty conditions that would quickly kill most plants. How do they do it? Through a series of impressive adaptations—including...
Intense volcanic CO2 vents in Ili Ili Bua Bua, Normanby Island, Papua New Guinea.

Will Coral Reefs Survive Acidification?

Nestled among the beautiful coral reefs of Papua New Guinea (PNG) is a place that could provide the key to our understanding of one of the biggest threats to coral reef survival: Ocean Acidification...
A whale shark swims with a diver off the coast of East Africa.

The Big Five of the Ocean: Exploring the Waters of East Africa

A whale shark swims with a diver off the coast of East Africa. Credit: Caine Delacy When we think "Africa," we think of the "Big Five"—lions, elephants, leopards, buffalo and rhinos—that crisscross the African...
A squat lobster and blackbelly rosefish find shelter on a Lophelia pertusa coral reef off the southeastern United States.

Deep-sea Corals

It may be the last place you’d expect to find corals—up to 6,000 m (20,000 ft) below the ocean’s surface, where the water is icy cold and the light dim or absent. Yet believe...
This recently discovered hairy crab species (Kiwa hirsuta) has no eyes.

The Census of Marine Life

Did you know that over 17,000 species thrive in the deep sea where no light penetrates the ocean waves? Or that an old restaurant menu can teach us about the history of fish populations?...

Seagrass and Seagrass Beds

Seagrasses are found in shallow salty and brackish waters in many parts of the world, from the tropics to the Arctic Circle. Seagrasses are so-named because most species have long green, grass-like leaves. They...
Squid at Sunset Reef Grand Cayman, Cayman Islands

Stunning Squid Pictures

From the giant squid to microscopic squid babies, squids are beautiful and fascinating. As cephalopods, the same family as octopuses and cuttlefish, they have no bones, and swim head-first through the water with their...