Media Gallery: Slideshows

Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.

Zooxanthellae and Coral Bleaching

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...
Census researchers discovered this sea cucumber (Enypniastes sp.) in the Gulf of Mexico.

Zooplankton Biodiversity

Holozooplankton are animals that live adrift in the ocean waves for their entire lives. The researchers who took part in the Census of Marine Zooplankton, a project of the Census of Marine Life ,...
X-ray image of a winghead shark

X-Rays of Fish Reveal Diversity

Scientists in the Division of Fishes at the Smithsonian's National Museum of Natural History use X-ray imaging to study the complex bone structure and diversity of fish. This image gallery showcases...
Pike Place Fish Market

World Fisheries from Sea to Table

Worldwide, fisheries touch our lives in countless ways. If well maintained, they can feed millions of people, generate jobs and income, help maintain long-standing community and cultural traditions,...
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...
The dwarf lantern shark sits in a human hand.

Weird, Wacky, Wonderful Sharks

Saw sharks and frilled sharks and ghost sharks, oh my! All sharks are pretty wild in one way or another—but these sharks might just be the wackiest of them all. With extendable jaws, poisonous flesh...
Henry the Fish is made completely out of colorful plastic that washed up on Oregon beaches.

Washed Ashore: From Beach Trash to Ocean Art

From a distance, Henry the Fish looks like a typical quirky and colorful sculpture you'd find in a small beach town. But when you look up close, Henry begins to change. His bright yellow and red...
A team of scientists explore the Arctic ocean.

Under Arctic Ice

Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a team of ice-loving scientists.
A bluefin trevally swims in Hawaii’s Maro Coral Reef, part of the Papahānaumokuākea Marine National Monument.

Two Views of Coral Reefs: Thriving and Threatened

Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of all marine species and provide billions of dollars in products and services to humans each year. But they are also...
Aegina, a type of jellyfish, swims through the water.

The Surprising Elegance of Midwater Sea Life

Imagine a hollow cube, measuring one foot on each side, suspended in the ocean at a depth roughly three football fields below the surface. From here, the seafloor is another 4,000 feet (or 1,200...