Ocean Life & Ecosystems

From the tiny to the titanic, from the familiar to the undiscovered, the ocean offers a stunning diversity of marine life and nearly every kind of habitat imaginable. Dive in and explore them here.

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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 X-ray images of...
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It is a well-known fact that for animals living in the deep sea, food can be...
By Caty Fairclough In centuries past, the ocean was thought to be full of...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
Oceanic birds are a rare treat to see because these birds are not casual...

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Most people try to avoid rotting kelp at the beach. The feeling of a floating piece of seaweed wrapping around an ankle is enough to shake even the...
Sometimes called the rainforests of the sea, coral reefs are incredibly...
Microbes are some of the most important organisms in the sea. These...

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Deep below the ocean’s surface is a mysterious world that takes up 95% of Earth’s living space. It could hide 20 Washington...