White and red tube worms reach up from the deep sea floor.

The Seafloor

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Are You An Educator?

At Smithsonian Ocean, we have lesson plans, activities, and resources to help you engage your students in the wonders of our oceans.
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The Seafloor Articles

Sneak Peek: Future of Coral Reefs in an Acidifying Ocean

Where the pH is the lowest, corals can no longer grow - sand, rubble and seagrasses replace the reef.