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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When a whale dies, the story has just begun. The massive carcass sinks to the seafloor, where it provides food for a deep sea ecosystem on the otherwise mostly barren seafloor. There are several...
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Animals, on land and in the ocean, live in a 3-D world, and they depend on...
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Slip into the water along a sheltered coast in nearly any part of the world and...
At the Poles, Life Thrives Located beside the Shores and Shallows gallery (...

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Top predators along the California coast are having a rough year. Recently starving sea lions have showed up on California beaches and are clamoring...
Slip into the water along a sheltered coast in nearly any part of the world...
Recently, Smithsonian National Museum of Natural History researcher Chris...

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Sharks are much older than dinosaurs. Their ancestry dates back more than 400 million years, and they are one of evolution’s...