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This urchin (Echinocrepis rostrata) leaves tracks as it moves across the ocean floor.
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Deep-Sea Urchin

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A purple hard coral releases bundles of pink eggs glued together with sperm.
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Coral Spawning

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One of the smallest shearwaters in the Atlantic, Audubon's Shearwater (Puffinus lherminieri) is about the size of an American Robin.
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Audubon's Shearwater

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The Eastern cleaner clingfish cleans parasites off of larger fish.
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The Eastern Cleaner Clingfish

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A bottlenose dolphin carries a sponge, which it uses as a tool to dig up prey from the seafloor.
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Sponge-Wielding Bottlenose Dolphin

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Photo of a mantis shrimp
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Mantis Shrimp Carries Eggs

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Rusticles on the HMS Titanic cover the hanging stern.
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Bacteria Live in the Titanic Wreck

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A rendering of an underwater marine scene from the Proterozoic Eon, featuring a creature that resembles a jellyfish and other organisms.
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Ediacaran Community, Proterozoic Eon (2,500 - 542 Million Years Ago)

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Two researchers, looking for fossil whales, scan a rock formation in Peru's Pisco Basin.
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Searching for Fossil Whales in Peru

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NOAA satellite image of four tropical storms in the Atlantic Ocean basin on 9/8/2011
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NASA Spots Four Tropical Storms in Atlantic Basin on Sept 8, 2011

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Off the coast of North Carolina, Nizinski and Johnson Sea Link pilot Phil Santos descend through the water column towards the target site.
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Submersible and Deep-Sea Corals

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The Pisces IV submersible sits on a saddle near Kingman Reef in Hawaii.
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Pisces IV Submersible

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