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Two nurse sharks hover over a baited cage
Lesson Plan

Food Chain Hide and Seek

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Two nurse sharks hover over a baited cage
Lesson Plan

In Hot Water

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Two nurse sharks hover over a baited cage
Lesson Plan

Fish Feeding

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Two nurse sharks hover over a baited cage
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What is a Coral Reef? Elementary School

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A coral head in the Mesoamerican Reef has both bleached and living coral. The white sections are bleached and the brown parts still contain zooxanthellae, the symbiotic algae that provide food to their coral hosts.
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Coral Under Pressure: Monitoring Bleaching In Real Time

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Many species of pink coralline algae, which cements coral reefs together, cover a reef surface in the Southern Line Islands.
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Coralline Algae: The Unsung Architects of Coral Reefs

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Many species of pink coralline algae, which cements coral reefs together, cover a reef surface in the Southern Line Islands.
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Pink Coralline Algae

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Convict surgeonfish are the roaming sheep of the reef but, instead of noshing on grass, they feed on algae.
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Helpful Herbivores

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Convict surgeonfish are the roaming sheep of the reef but, instead of noshing on grass, they feed on algae.
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Surgeonfish: Indicators of a Healthy Reef

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The coral reefs of Ujung Kulon National Park in Indonesia, a World Heritage site, are dominated by a small number of coral species and support some of the richest fish fauna in the Indonesian archipelago.
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Ujung Kulon National Park, Indonesia

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Crown of Thorns Starfish in the Marianas Islands
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Crown of Thorns Starfish

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Overfishing and sedimentation have heavily impacted this reef off the coast of Guam.
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Coral Reef in Distress

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