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Pacific cephalopods illustrate the wide diversity among this group of mollusks.
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Squids and Cephalopod Diversity

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A gray whale spinal column viewed from the top through the vertebrae.
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A Gray Whale Makes its Way to the Smithsonian

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thin, green stalks of a succulent plant grow up
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Sea Beans

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Giant drift nets, placed around the world’s oceans to catch commercial fish species, kill non-commercial animals just as efficiently, often taking far more of the latter for every useable species ensnared.
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Sea Lion Drowned in Drift Net

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An autonomous underwater vehicle from the Monterey Bay Aquarium Research Institute (MBARI) being launched from the NOAA Ship Gordon Gunter in the Gulf of Mexico.
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Autonomous Underwater Vehicle in Gulf of Mexico

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Jellyfish produce mucus, especially when stressed, which can interact with oil and break it down. This moon jellyfish is sloughing off mucus that has mixed with droplets of oil.
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Moon Jellyfish With Oil & Mucus

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Ari Daniel Shapiro and Dr.Randi Rotjan of the New England Aquarium, journey to the Phoenix Islands to study coral bleaching.
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Coral Reefs: One Species at a Time

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Weddell seals grind their teeth on holes in the ice to keep them open to their comings and goings between ocean and air.
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Weddell Seal in Antarctic Water

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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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Juvenile plane-head filefish

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A young visitor holds up his painted fish Gyotaku fish print at the Smithsonian's National Museum of Natural History
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Gyotaku Fish Print

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A green mahi-mahi fish underwater
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Fish Heart Out of Water

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