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Grey reef sharks are among the most versatile and tough predators on a Pacific coral reef, but they are also among the most vulnerable species, as they are threatened by wasteful fishing practices like shark finning.
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Where the Shark and the Snapper Roam

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A coral head in the Mesoamerican Reef has both bleached and living coral. The white sections are bleached and the brown parts still contain zooxanthellae, the symbiotic algae that provide food to their coral hosts.
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Coral Under Pressure: Monitoring Bleaching In Real Time

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This 1874 illustration of California gray whales (Eschrichtius robustus) shows a group of individuals at the edge of their modern day range in the North Pacific Ocean, blocked from traveling further east into Arctic waters by thick ice barriers.
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In the Arctic, the Times, They Are a-Changin: You Can Pitch in to Understand How

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Trout cages in 30 feet of water.
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Aquaculture Comes Full Circle

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Horizontal bands of color represent different species of lichen that have adapted to the conditions at different heights above sea level.
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Seaside Lichens

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a man sits pondering with a tan ball cap on
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A Captain’s Journey to the Antarctic

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Sea bass flock to a tropical coral reef in the Red Sea.
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5 Simple Things You Can Do for the Ocean

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an old illustration of an eel
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The Origin of Eels

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Spinner dolphins in a small inlet off the Kona coast, Hawaii.
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Solidifying the Dolphin Family Tree

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a small spikey crab sits on a black background
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Tiny Crab Gains a Big Audience

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A shark tooth embedded in a bone
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What the Megalodon Left Behind

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An unidentified earplug from the National Museum of Natural History collection.
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Whale Earwax: What You Can Learn From Strange Collections

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