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Hantkenina mexicana -- a foram with elongated shell chambers that lived between 45-49 million years ago, during the Eocene Epoch.
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Hantkenina mexicana

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In this photo of a shallow coral reef in the Pacific there are three species of forams. Their colors come from the symbiotic algae that live inside the foram shells.
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Shallow Coral Reef Foraminifers

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A graph compares the crustacean biodiversity of coral reefs around the world.
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Coral Reef Biodiversity: A Comparison

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Octocorals dominated the seafloor on Chris Mah's Okeanos mission to Johnston Atoll in the remote Pacific Ocean.
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Deep-sea octocorals: An ecosystem of their own

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A photo of an arid ocean cliff in Chile's Atacama Desert with the ocean below.
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Exploring Chile's Marine Fossil Record in the Atacama Desert

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Lenticulina secans-- this “benthic” foram lives on the seafloor. This specimen was collected from southeastern Tanzania.
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Lenticulina secans

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Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
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Zooxanthellae and Coral Bleaching

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a red snapper's ear stone in the palm of someone's hand
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The Bone that Logs a Lifetime

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a graphic depicting the various species of tuna
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The Big Tunas

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Horizontal bands of color represent different species of lichen that have adapted to the conditions at different heights above sea level.
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Seaside Lichens

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Small red hyperiid.
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The Hyper Eyes of Hyperiids: How Some Shrimp-Like Creatures See Light in the Deep Sea

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