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Flattened against a leaf, a tree frog blends right in with the mangroves.
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Tree Frog

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Arching mangrove roots help keep trunks upright in soft sediments at water’s edge.
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Mangrove Support System

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Mangrove roots provide support for filter-feeders like mussels, oysters, and barnacles.
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Mangrove Roots Flush with Life

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Dr. Nancy Knowlton leads the Smithsonian’s effort to educate the public about the ocean.
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Dr. Nancy Knowlton

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No glue and glitter needed here! The pinecone fish (Monocentris japonicus) looks like the real thing on land—covered in large scales with a dark trim. They are found lurking in caves and under ledges in the Indian and Western Pacific Oceans, and are a po
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Pinecone Fish

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Seahorses make noise! Seahorses make noises that can be heard underwater similar to the sound of smacking your lips. They make them during feeding and courtship.
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Seahorses Make A Racket

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An Arctic cod rests in an ice-covered space.
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Arctic Cod Beneath the Ice

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Branching coral in naturally acidic water.
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Fragile Branching Corals in Acidic Water

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A male sperm whale feeding near the surface.
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Sperm Whale Shows His Teeth

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boats sweeping up the oil slick
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Sweeping up the Oil Slick

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A sea pig illustration on an old map
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Sea Swine

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A sea monster attacks a wooden ship
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Sea Monsters of an Early Atlas

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