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A sea butterfly, or sea snail, swims in the open ocean.
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A Swimming Snail

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This close-up view of salps, which have aggregated together into a long chain, have brilliant red guts from eating red plankton.
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Close-up View of Salps

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Small orange brittlestars on the coast of the Atlantic.
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An Invasive Brittlestar

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Kelps are large, brown algae that grow along coasts around the world, especially in cooler regions.
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Kelp Pennant

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Elephant seals' eyes are specialized to dim light and, in particular, to light at the wavelength of 485 nm -- which is the same wavelength given off by the bioluminescent lanternfish that are the seals' main prey.
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Elephant Seals Laze on the Beach

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This colony of <em>Rosacea</em> may look like a single jellyfish, but it is actually a large group of smaller siphonophores clustered and living together.
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Jellyfish, or Siphonophore Colony?

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The squidworm has 10 tentacle-like appendages on its head.
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The Squidworm - A New Species

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Map of volcanoes of Central America and within the Caribbean Sea.
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Central American and Caribbean Sea Volcanoes

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Submarine pilot&nbsp;Bruce Brandt secures&nbsp;ARMS&nbsp;to the outside of the submersible Curasub so it can deploy ARMS on the seafloor.
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ARMS Deployment from a Submarine

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DROP researchers successfully deploy a deep-sea ARMS at 396 feet using their submersible.
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Deploying ARMS in the Deep Reef

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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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A pearlfish, which lives in the orange sea cucumber's anus, emerges to feed.
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Pearlfish from a Sea Cucumber

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