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On a healthy coral reef, fish (as well as many other organisms) thrive. Not only are reefs beautiful, but they are also critical to ocean health and human livelihoods.
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Healthy Coral Head

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An image of a Anomalocaris canadensis fossil.
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Anomalocaris canadensis

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A veined octopus briefly leaves its hiding place, a shell, to devour a crab.
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Octopus Eating a Crab

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Tuna at a fish market
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Bluefin at Tsukiji Fish Market

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A photo of plastic trash floating in the water, taken from below the surface.
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Witness to a Plastic Invasion

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a fringed fossil feather star
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Ancient Crinoid

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When seen from below a white belly better blends in with light-filled surface waters while from above a black back looks similar to the dark hues of the deep ocean.
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Galapagos Penguin from Above

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A stormy sea lashes the village of Shismaref, Alaska, where the coastline has eroded 30–90 m (100–300 ft) in the past 30 years.
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Shismaref, Alaska

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Map of South America highlighting Juan Fernandez Island off of the west coast, near Chile
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Map of Juan Fernandez Island

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This piece of pocillopora, or cauliflower coral, would normally have a rigid outer skeleton, but researchers dissolved it to expose the coral’s tissue and take a sample for DNA analysis.
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Cauliflower Coral - Pocillopora

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A photo of plastic trash floating in the water, taken from below the surface.
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Marine Debris

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