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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In the spring of 2011, a research crew from Oceana spent two months in the brackish Baltic Sea . The Baltic faces challenges from pollution, algae blooms, over fishing, and invasive species. Oceana researchers...
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The Ross Sea, a 1.9 million square mile (3.6 million square km) stretch of...
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Reef sharks rarely get any love. These sharks, comprising several species,...
Snow on land can make some people grumpy, but the magical-looking flakes and a...

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There can be catastrophic results when a large amount of oil is spilled into the ocean—as when the Deepwater Horizon rig exploded and spewed oil into...
Cashes Ledge is a wild, special place in the heart of the Gulf of Maine...
Most people try to avoid rotting kelp at the beach. The feeling of a...

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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...