18th Annual Smithsonian Magazine Photo Contest Natural World
A window to the reef
In a diverse and healthy coral-reef ecosystem, there is not even one centimeter that is not truly covered with some organisms. Corals, sponges, algae, and many others covers every piece of the wall of the cave in this image.
|Photo Location:||Ambitle Island, Papua New Guinea|
|Copyright:||© Tom Shlesinger|