Media Gallery: Slideshows

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...
Photograph of the model of a Giant Megatooth Shark, taken from the front..

Shark Ancestors

Long before great white sharks appeared, much larger ancestors roamed the ocean. This giant ancient shark -- the Giant Megatooth ( Carcharodon megalodon ) -- was probably big enough to eat a whale.
A frame-by-frame view of a Great White Shark breach.

Photo Sequence of Great White Shark Hunting

Great white sharks are athletic hunters, leaping completely out of the water as they attack prey from below. They have six highly refined senses : smell, hearing, touch, taste, sight, and...
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...


Microscopic, single-celled organisms called foraminifera have a fossil record that extends from today to more than 500 million years ago. Although each foram is just a single cell, they build complex...
During what is known as the Golden Age of Piracy, pirates reaped great rewards—and, if they were caught, faced terrible punishments. Here are some of the most legendary pirates of that time.

Pirates of the Golden Age

Meet seven of the most fearsome pirates from the Golden Age of Piracy. Like pirates? Read more about William Dampier , a most fearsome pirate -- and naturalist.
As soon as Dampier set foot in Australia, he began making observations and collecting specimens of plants, which he carefully pressed between the pages of books to be studied by the “ingenious” and “curious” upon his return to England. As Dampier conducted his investigations, his artist made detailed sketches like these.

Discoveries in Australia and New Guinea

This slideshow features illustrations of some of the plants and animals that William Dampier, a naturalist and pirate, observed in Australia (then known as New Holland) and New Guinea. Learn more...
The People's Reef--Part of the Hyperbolic Crochet Coral Reef

The Hyperbolic Crochet Coral Reef

The Hyperbolic Crochet Coral Reef , created by Margaret and Christine Wertheim of the Institute For Figuring , weaves together strands of art, science, mathematics, and conservation. This beautiful...
Hawaiian Monk Seal

Backbone of Biodiversity at Risk

The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory of the global conservation status of plants and animals. In a 2010 study ,...

Marine World Heritage Photo Gallery

Marine World Heritage is a prestigious list of 43 marine ecosystems and biodiversity treasures from across the globe, including countries such as Australia, Iceland, Russia, South Africa, the...