Video encyclopedia

Coral reef


Coral Reefs 101 | National Geographic

CORAL REEF AQUARIUM COLLECTION 「24/7」 🔴 Relaxing Music for Sleep, Study, Yoga & Meditation


Why are coral reefs so important? | Natural History Museum


Rising Ocean Temperatures are "Cooking" Coral Reefs | National Geographic


What Animals Live in a Coral Reef? | California Academy of Sciences

A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups.
    Explore contextually related video stories in a new eye-catching way. Try Combster now!
    • Formation 

    • Types 

    • Zones 

    • Locations 

    • Coral 

    • Other reef builders 

    • Darwin's paradox 

    • Biodiversity 

    • Ecosystem services 

    • Threats 

    • Protection 

    • Restoration 

    • History