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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Dr. Clyde Roper discusses the fascinating anatomy of the giant squid ( Architeuthis dux) in this excerpt of "Eyeball to Eyeball," an episode of Errol Morris' First Person television series. Watch Architeuthis and Eyeball...
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Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of...
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Scientists in the Division of Fishes at the Smithsonian's National Museum of...

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Bacteria are everywhere in the ocean. They live in the water, on virtually every living and non-living surface, and even inside other organisms ...
Reef biologists over a certain age are haunted by memories of what glorious...
If you are a bird watcher you have probably heard of the Christmas Bird...

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Jellyfish and comb jellies are gelatinous animals that drift through the ocean's water column around the world. They are...