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Small orange brittlestars on the coast of the Atlantic.
Photo

An Invasive Brittlestar

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The sea star Odontaster validus and sea urchin Sterechinus neumayeri are often found living in association with one another along the Antarctic coastline, here during the Census of Marine Life.
Overview

Sea Stars, Urchins, and Relatives

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Nine small invertebrates held on two fingers.
Article

On Biodiversity: Understanding its Meaning and Importance

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This purple urchin Paleopneustes cristatus is seldom seen by itself, and can be found in groups of hundreds.
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Purple Sea Urchin

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

Little Sea Star

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Nine small invertebrates held on two fingers.
Photo

A Handful of Biodiversity

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Small foram shells in seafloor sediment.
Article

Little Critters that tell a BIG Story: Benthic Foraminifera and the Gulf Oil Spill

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A sea toad from the deep waters off of Curacao.
Slideshow

Collections from Curaçao

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A zoomed-in image of the crown-of-thorns sea star.
Photo

Acanthaster planci

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a black and white photo of a woman holding a glass award
Article

Dr. Marian Pettibone, A Woman of Firsts

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A brachiopod looks like a clam, but they aren't closely related.
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A Modern Day Brachiopod

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A zoomed-in image of the crown-of-thorns sea star.
Article

A Plague of Sea Stars

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