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Professor Scott Glenn at Smithsonian with Historic Underwater Glider
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Scarlet Knight Showcased at Smithsonian

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Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
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Coral Reef on Gangga Island, Indonesia

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Rudist clams are mollusks that went extinct about 65 million years ago.
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Rudist Clams

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Two sea lions interact amongst schools of small fish.
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Seal or Sea Lion?

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“Once in a while, manta rays appear in great numbers in a small bay in the Baa Atoll. The concentration of plankton must be very high in this particular bay, because up to 200 manta rays have been seen here at one time. It can be difficult to capture a n
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Manta Rays, Baa Atoll, Hanifaru Bay, Maldives

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Up close look at thin tentacles of a jellyfish.
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Jellyfish Tentacles Close Up

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A translucent arctic comb jelly.
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Arctic Comb Jelly

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This rare staurozoan, or stalked jellyfish, Haliclystus californiensis, is about 2 centimeters in length and was collected off the coast of California.
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Staurozoan: The Stalked Jellyfish

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Intense volcanic CO2 vents in Ili Ili Bua Bua, Normanby Island, Papua New Guinea.
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Carbon Dioxide Volcanic Seep

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Narwhals with their long unicorn-like tusks.
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Narwhals Breaching

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A purple jellyfish
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Stinging Beauty

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A comparison of an undisturbed Oculina coral reef and one that has been devastated by trawling.
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Undisturbed vs. Trawled Reef

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