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A male mudflat fiddler crab (Uca rapax) waves its huge claw to impress females and threaten competitors.
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The Mudflat Fiddler Crab

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This is North Atlantic right whale #3333 who was spotted with fishing gear trailing from his mouth during an aerial survey off the coast of Georgia on January 29, 2008.
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Whale Entanglement

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A female giant squid being prepared for display.
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Female Giant Squid

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A diver on the reef near Moorea collects samples.
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Research Diver in Moorea

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The toothy goby or common ghost goby (Pleurosicya mossambica) has a commensal relationship with soft corals and sponges in the Indo-Pacific ocean.
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Toothy Goby in Coral

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Two thorny seahorses sit back to back underwater.
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Seahorse Lovebirds

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A humboldt squid releases ink.
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Humboldt Squid Shoots Ink

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Gentoo penguin mother with her chick in Antarctica.
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Gentoo Penguin Mother and Chick

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Large container ships at port, discharging ballast water in the Port of Oakland
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Ballast Water in the Port of Oakland

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A red deep-sea fish specimen.
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A Fish that Looks Like a Whale

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a trigger fish swims around a coral reef
Article

The Incredible Diversity of Fish: How Form Equals Function

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A Mesozoic Ocean scene
Overview

Ocean Through Time

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