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Fish have certain adaptations, like blood with built-in antifreeze, to survive in the Antarctic.
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Fish Adapt to Icy Water

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The frogfish uses camouflage to hide from predators.
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Three-spot Frogfish

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A school of yellowfin surgeonfish feed near dusk off Canton Island in the Phoenix Islands.
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Yellowfin Surgeonfish

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A wrought iron butterflyfish being cleaned by a small wrasse in the waters of Japan's Ogasawara Islands.
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Butterflyfish and Wrasse

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A Florida manatee swims through a channel into a freshwater spring late in the day.
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Florida Manatee

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Auster gets ready to study fish predators at Gray’s Reef National Marine Sanctuary off the coast of Georgia.
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Auster Dives on a Rock Face

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Photo of a harlequin shrimp
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Harlequin Shrimp East of Bali, Indonesia

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Marine scientists photographed and measured this gorgonian coral and deep-sea shrimp just as they were collected—together.
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Deep-sea Coral and Shrimp

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The Johnson-Sea-Link submersible returns with a specimen of Keratoisis bamboo coral inside its collection box.
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Submersible with Coral Samples

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This 200-year-old bamboo coral colony is growing on the Davidson Seamount. The skeleton has bamboo-like segments.
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Bamboo Coral

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A fan-shaped colony of red coral (Corallium sp.) provides a perch for three basket stars as they feed.
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Red Coral

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Tree corals like this Calyptrophora bayer can grow several meters high and resemble brightly colored trees.
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Red Tree Coral

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