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Zooplankton are small—but do you know just how small? This drop of water smaller than the eye of a needle is magnified 20x and contains multitudes.
Photo

Zooplankton in the Eye of a Needle

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A few corals are part of this small sampling of the approximately 35 million specimens represented in the invertebrate zoology collection housed at the National Museum of Natural History.
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Specimens from the Smithsonian Invertebrate Zoology Collection

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Photo of a Hawaiian monk seal on the beach, with the ocean in the background.
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The Endangered Hawaiian Monk Seal

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a pile of pink walruses
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Walrus Haulout

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A black and white diagram of a tunicate larvae.
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Tunicate Larvae

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Thalassinidean shrimp (Thalassinidea) build complex burrows deep in the mud.
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Thalassinidean Shrimp

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Monk seal pup
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A Mediterranean Monk Seal Pup

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Photograph of a bristly brown and white worm, with one end pressed against a pale green coral.
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Fireworm Takes on Fire Coral

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Video

Gulfcast - A Treadmill for Mahi-Mahi

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Two nurse sharks hover over a baited cage
Lesson Plan

Plot Your Course

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Two nurse sharks hover over a baited cage
Lesson Plan

Coral Reef Relationships

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Two nurse sharks hover over a baited cage
Lesson Plan

Introduction to Latitude and Longitude

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