National Ocean Service

• HOME
• EXPLORE
  • Ocean
    • Coral Reefs
    • International Collaboration
    • Marine Protected Areas
    • National Marine Sanctuary System
    • Maritime Heritage
    • Ocean Exploration
    • Oil and Chemical Spills
    • Marine Debris
  • Coasts
    • Coastal Decision-making Tools
    • Coastal Ecosystem Science
    • Coastal Zone Management
    • Coastal Monitoring and Observations
    • Contaminants in the Environment
    • Ecological Forecasting
    • Gulf of Mexico Disaster Response Center
    • Harmful Algal Blooms
    • Hurricane Response
    • National Estuarine Research Reserves
    • Natural Hazards
    • Natural Resource Restoration
    • State of the Coast
    • Training and Capacity- Building
  • Charting and Navigation
    • Positioning America for the Future
    • Arctic Navigation
    • Aerial Photography and Shoreline Mapping
    • Global Positioning
    • Height Modernization
    • Hydrographic Surveying
    • Marine Navigation
    • Tides and Currents
  • NOAA Sentinel Site Program
  • Recreation
  • Ocean Facts
  • Data Explorer
• EDUCATION
  • About
  • Students
    • 3-5: Mysteries
      • Nautical Charts
      • Sea Floor Mapping
    • 6-12: Tutorials
      • Corals
      • Currents
      • Estuaries
      • Global Positioning
      • Pollution
      • Tides
    • 6-12: Case Studies
      • Prince William's Oily Mess
      • The Lionfish Invasion
    • Games
    • Resources
    • Projects
  • Teachers
    • NOAA Climate Stewards
    • Ocean & Climate Literacy
    • Professional Development
      • Coral Reefs
      • Estuaries
      • Living in Weather
      • Ocean & Climate
      • Tides & Currents
      • Climate Resources
      • Problem Based Learning
    • Lesson Plans
    • Curriculum
  • For Fun
• NOS NOW
  • What's New
  • Features
  • In Brief
  • People of NOS
  • NOS Deepwater Horizon Portal
• OCEAN MEDIA
  • Podcasts
  • Mobile Sites & Apps
  • Video
  • Image Gallery
  • Blogs
  • Desktop Wallpaper
  • Widgets
• OFFICES
  • Center for Operational Oceanographic Products and Services
  • NOAA Integrated Ocean Observing System Program
  • International Program Office
  • Management and Budget Office
  • National Centers for Coastal Ocean Science
  • National Geodetic Survey
  • Office of National Marine Sanctuaries
  • NOAA Coastal Services Center
  • Office of Coast Survey
  • Office of Ocean and Coastal Resource Management
  • Office of Response and Restoration
• ABOUT
  • About
  • NOS Websites
  • E-mail Updates
• USER SURVEY

Home > Ocean Images > > Coralline Algae

Coralline algae at Rose Atoll, located off the coast of American Samoa. An atoll is an island of coral that encircles a lagoon partially or completely.

Download