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It's a pygmy seahorse (Hippocampus bargibanti), found in Indonesia's biodiverse Coral Triangle and one of the smallest seahorse species in the world! They can change colors like a chameleon to blend into their environment. This helps to protect them from p
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Can You Spot the Seahorse?

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Spiral-tufted bryozoan
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A Bryozoan's Medical Endosymbiont

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Squid expert Dr. Clyde Roper examines specimens stored in jars in the Smithsonian collection.
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Dr. Clyde Roper

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Two Southern Resident killer whales.
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When Killer Whales Hunt the King of Salmon

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Two nurse sharks hover over a baited cage
Lesson Plan

Siphonophore

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Two Southern Resident killer whales.
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There are More Whales out There Than We Thought

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A large, white jellyfish floats through murky water
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Ghosts of the Ocean: Explaining Marine Life Devoid of Color

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Tropical hatchetfish, like the one shown in this X-ray photograph, live in the dark depths of the ocean. Like many other deep-sea fishes, they have large eyes and bioluminescent spots on their bellies.
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X-Ray Image of a Tropical Hatchetfish

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A vaquita swims at the the water's surface.
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The Vanishing Vaquita

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Instead of creating sculptures like this one, volunteers with Debris Free Bonaire collect and throw out trash. As of May 2014, the group has removed more than 5,650 cubic feet of marine plastic from Bonaire's eastern coastline!
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Cleaning Bonaire's Beaches

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