More Biodiversity

This photo of Kingman’s Reef in the Line Islands shows what a healthy coral reef should look like. The water is crystal clear. A variety of richly colored corals carpet the seabed. And a native...
Sarah Gotheil, from IUCN Global Marine Programme , snapped this photo in the course of her research into fragile species and ecosystems. A new project led by IUCN will unveil the mysteries of...
Cashes Ledge is an underwater mountain range off the New England coast, which is home to a great diversity of life. Because the rocky and steep peaks almost reach the surface in some areas, it is...
Papahānaumokuākea, a chain of islands northwest of the main Hawaiian archipelago, is home to vibrant coral reefs with scores of fish species. It was designated a Marine World Heritage Site in August...
Flattened against a leaf, a tree frog blends right in with the mangroves. More about mangroves can be found in our Mangroves featured story.
These Pacific cephalopods illustrate the wide diversity among this group of mollusks. You can learn about a relative, the giant squid ( Architeuthis dux ), in our Giant Squid section.
The Indonesian Archipelago is the heart of the Coral Triangle, a biodiversity hotspot for marine and terrestrial life. This diversity forms an important part of Indonesia's natural, cultural, and...
Like other sea snakes , the turtle-headed sea snake ( Emydocephalus annulatus ) has fangs and venom. But its venom is weak so, instead of defending with a bite, the species tends to react to danger...
Depending on whom you talk to, jellyfish are either fascinating, a nuisance, a toxic menace, or some combination of the above. Jellyfish plop into the media spotlight when their presence causes beach...
The fish at left stands out against the lighter waters above. At right the same fish—now with bioluminescent structures on its underside lit—blends in. Many deep sea creatures have evolved this...
Corals are just one of the many marine life forms that can be modeled in crochet. Jellyfish, like the one pictured here, starfish, sea snails, and kelp are some of the other organisms that...
Census of Marine Life researchers discovered this unusual transparent sea cucumber ( Enypniastes sp.) in the Gulf of Mexico at 2,750 meters depth. It creeps forward on its tentacles pretty slowly, at...
Last week, the United Nations’ World Heritage Convention went blue. Two of the largest and healthiest marine protected areas on our planet—the Phoenix Islands Protected Area in Kiribati and...
Dr. Claude Payri, a researcher working on the Moorea Biocode Project , collects samples on the reef slope of Moorea, French Polynesia. More about the Island of Moorea can be found in our Scientists...
How do we know what coral reefs looked like hundreds of years ago? Often times, we are simply left wondering. Scientists can get an idea from naturalist recordings, but there are many unknowns and...
This brightly colored squat lobster collected in Moorea is a common find among the coral heads. Although called lobsters, this group of crustaceans is more closely related to hermit crabs than to...
Cashes Ledge is a wild, special place in the heart of the Gulf of Maine. This underwater mountain range is home to a great diversity of life, with colors typically associated with a coral reef rather...
Bottom trawl treasures from the shallow Chukchi Seafloor near the Canada Basin: sea stars , brittle stars , clams, some snails and crabs. View the “Under Arctic Ice ” photo essay to learn more.
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