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A blue cod and sea pens, a unique type of cnidarian, speckle the seafloor in New Zealand's Fiordland region.
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Blue Cod Amongst Sea Pens

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A yellow remotely operated underwater vehicle, or ROV, at the surface of the water.
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An ROV Explores the Baltic Sea

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A close-up photo of Killer Algae, Caulerpa taxifolia, a seaweed that has proven to be a successful invasive species.
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Killer Algae (Caulerpa taxifolia)

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Photo of sockeye salmon spawning.
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Sockeye Salmon, Adams River, British Columbia, Canada

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Remotely operated vehicles, ROVs, aid in deep-sea ocean exploration
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Diving Deeper

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A marine biologist measures the temperature of an ice core.
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Measuring Ice Core Temperatures

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Professor Scott Glenn at Smithsonian with Historic Underwater Glider
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Scarlet Knight Showcased at Smithsonian

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Illustration of eddy fields in the Atlantic Ocean
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Robot Explores Ocean Eddies

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A pile of bycatch species.
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A Net Full of Bycatch

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A tongue-like organ called the radula rams food down the giant squid's throat.
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Giant Squid Beak and Radula

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A right whale breaches, lifting its huge body out of the water.
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North Atlantic Right Whale Breaching

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Close-up photograph of a large red cuttlefish.
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Australian Giant Cuttlefish

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