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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The threat that climate change poses to polar bears has received a lot of attention, but they are not the only Arctic species at risk. Ice-loving seals, such as harp, hooded and ringed seals,...
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In the spring of 2011, a research crew from Oceana spent two months in the...
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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 biologists over a certain age are haunted by memories of what glorious...

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Large whales are notoriously hard to study. Except when rising to breathe, they swim beneath the ocean's surface out of human sight, which makes it...
Pick up any news article about invasive species and you may confuse it with...
I am once again leaving my familiar world behind and descending into the...

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There are more than 500 species of sharks swimming in the world’s ocean. Yet when most people think of these cartilaginous...