Smithsonian Institution

The Ocean is important to all life, including yours. Join us. Welcome to the Ocean Portal – a unique, interactive online experience that inspires awareness, understanding, and stewardship of the world’s Ocean, developed by the Smithsonian Institution’s National Museum of Natural History and more than 20 collaborating organizations. You are among the first wave of visitors to the Portal, an experience which we hope will empower you to shape and share your personal Ocean experiences, knowledge, and perspectives. The input you provide through feedback modules and comment boxes will help us to shape future Ocean Portal content and functionality. Like the Ocean, which is made of millions of marine species, your comments, questions, and clicks will help to bring the Portal closer to the vastness and variety of the Ocean itself.

Alison Kock tags a shark

Save Our Seas scientist Alison Kock tags a great white shark ( Carcharodon carcharias ) to gather data about their movements off the coast of South Africa. More about the great white shark can be found in our Great White...

Smithsonian Shark Teeth collection

An array of teeth from the sand tiger shark Carcharias taurus . The Smithsonian has the largest collection of shark teeth in the world, with more than 90,000 fossil shark teeth. More about sharks and great whites can be...

Rethink the Shark

Sharks have a long and impressive lineage. Ancient sharks were cruising the ocean 400 million year ago- long before dinosaurs roamed on land. Relatives of the great white like the giant megatooth evolved more than 20 million...

100,000,000 to 000,000,001: Rethink the Shark

Who should fear whom? Less than ten humans are killed by shark attacks. Yet millions of sharks are killed each year by humans. More about the great white shark can be found in our Great White Shark featured story .

Are Sharks Scary?

What is scarier: sharks or extinction? This video from Save Our Seas puts whether we should fear sharks or they should fear us into perspective. Humans have killed killed off 95% of some shark species; now that’s scary. More...

Protecting Fragile Species

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 southern Indian Ocean seamounts...

Protecting Sharks: How Nets Hurt

Tom Peschak, a photojournalist with the Save Our Seas Foundation , describes the devastating effects shark nets have on ocean life along the South African coastline. The nets were installed to protect swimmers, but the video...

Smithsonian Marine Station

In Fort Pierce, Florida, researchers at the Smithsonian Marine Station focus on mangroves and other marine ecosystems of Florida. More about mangroves can be found in our Mangroves featured story .

Smithsonian Environmental Research Center

In Edgewater, Maryland, scientists at the Smithsonian Environmental Research Center examine the influences of climate change, excess nutrients, and surrounding habitats on mangroves. They have also established additional...

Wave Size and Depth

Students investigate the relationship between the size of the wave and depth to which the effects of its energy can be observed.

Boston Globe Ocean Page

A wonderful summary of facts about our Ocean Planet from the Boston Globe and Deborah Cramer, author of Smithsonian Ocean: Our Water, Our World , the companion book to the Smithsonian's Museum of Natural History Sant Ocean...

Rethink the Shark

Think intelligence, not incisors. Adaptation, not aggression. The Great White Shark is a marvel of evolution.