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Two nurse sharks hover over a baited cage
Lesson Plan

In Hot Water

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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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Two nurse sharks hover over a baited cage
Lesson Plan

A Reef of Your Own

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Two nurse sharks hover over a baited cage
Lesson Plan

Coral Conservation

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coral polyps
Photo

Healthy Coral Polyps

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a fish swimming in blue water
Video

Visit the Line Islands with Reef Ecologist Dr. Stuart Sandin

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Screenshot from video "Connecting Coral Reefs" showing illustrations of an underwater coral community.
Video

Connecting Coral Reefs

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: Black corals often resemble bushes or trees. Their living tissue can be one of several colors. It’s the skeleton that is black.
Article

Black Corals of the Deep

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A screenshot from video showing illustrations of ancient coral reefs.
Video

Coral Reefs Changing Over Time

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A sea lion in the Sea of Cortez observes Auster as he observes reef fishes.
Photo

Auster Diving with Sea Lion

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Coral reefs provide food for swarms of fish, both large and small.
Photo

Coral Reef in the Florida Keys

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Two nurse sharks hover over a baited cage
Lesson Plan

Keeping Watch on Coral Reefs

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