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Two new species of sea stars were discovered in the deep sea: Paulasterias tyleri (on the left) in a North Pacific hydrothermal vent community, and Paulasterias mcclaini (on the right) in the deep sea off the coast of Antarctica.
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The Discovery of Two Extreme Sea Stars

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Small foram shells in seafloor sediment.
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Little Critters that tell a BIG Story: Benthic Foraminifera and the Gulf Oil Spill

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Rough periwinkles sit on a bed of barnacles.
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Spirals in Time: A Walk at the Seashore

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A Cirraturlid worm swims in the open ocean.
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Why I Love Polychaetes

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This male dancing fiddler crab (Uca terpsichores) has built a sand “hood” at the entrance to his burrow, which he hopes will attract females to his humble abode—as if that big beautiful claw of his weren't enough!
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The Design of a Beautiful Weapon

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The ribbon worm seen here, Ramphogordius sanguineus, is known to regenerate after losing a part of its body.
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Ribbon Worm Redux

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Nine small invertebrates held on two fingers.
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On Biodiversity: Understanding its Meaning and Importance

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Two scientists peer out into the ocean from inside the Curasub, a 5-person submersible
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Diving for Crabs in the Deep Sea

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Relatively slow moving, juvenile plane-head filefish Monacanthus hispidus (Monacanthidae) travel along with the algae. They pick off and eat small animals as they move around in the rotating sargassum ball. Adult filefish only grow to be about 11
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A World Adrift: Life in the Sargassum

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This orange boring sponge (Cliona varians) overgrows several coral species at Panama's Smithsonian Tropical Studies Institute.
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Ocean Acidification Excites Boring Sponges

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A ribbon worm curled up in a mud flat.
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The Search for an Elusive Ribbon Worm

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Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.
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How Coastal Seagrass Feeds the Deep

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