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What is coral? The answer is coral is an animal. This cutaway diagram of a coral polyp shows the location of its photosynthetic algae, or zooxanthellae, which coral needs to survive.
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What Is Coral? A Coral Polyp and Zooxanthellae

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This small sea star, little more than an inch across, is orange on top and whitish underneath.
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Little Sea Star

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Divers at a shipwreck site
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Wood Under Sand: The Search for A Slave Shipwreck

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sea lilies
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Sea Lilies

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A view of the Deepwater Horizon oil spill as seen from a NOAA research aircraft, June 2010.
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The Oil Spill From Above

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Green turtles (Chelonia mydas) live in the warm coastal waters of tropical and subtropical oceans. Adults sometimes eat sponges, salps (floating jelly-like animals), and jellyfish, but they feed mostly on plants, like seagrass and algae. The pigment f
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Green Turtle

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Jaw of the goblin shark
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The Goblin Shark

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Larvae sea bass looking at the adult version of itself with a black background.
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Are You My Mommy?

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“The southern elephant seal is a truly restrained behemoth. Males can grow to be five times larger than females, up to 5,000 pounds. This elephant seal may look fierce, but he was simply yawning over and over in the wave-wash. This allowed me to try mult
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Southern Elephant Seal, Gold Harbour, South Georgia

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Looking through this iceberg's reflection in the Antarctic water, you can see the iceberg below the surface—some 90% of its total volume.
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The Arctic and The Antarctic

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An 'austral' or southern breeder, Great Shearwaters (Ardenna gravis) migrate from breeding islands far to the south in the Atlantic before traveling to the Northern Atlantic to feed.
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12,000 Miles to Go: Migrating with Shearwaters

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On coral reefs fish are important links in the food chain that sustains higher-order predators (including humans) and keeps everything in balance.
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Fish Get Risky Around Oil

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