artificial reef: Media
marine biology
Images
Artificial reef
Submerged objects—such as this collection of blocks at the Pyramids dive site in...
© Placebo365—iStock/Getty Images
Artificial reef
Vehicles, such as this tank resting on the sandy floor of the Red Sea near Al-ʿAqabah,...
© Tyson Paul—Loop Images/Getty Images
Sculpture as artificial reef
Coral growing atop a submerged sculpture at an underwater museum in Isla Fuerte,...
© Luis Acosta—AFP/Getty Images
Reef balls
Artificial reefs can be made from just about any type of durable material. Reef balls—domed...
© Louisiana Sea Grant
Reef pyramids
These artificial-reef components are similar to reef balls. They are hollow and made...
© Florida Fish and Wildlife Conservation Commission
USS Oriskany
Large vessels can be sunk to create artificial reefs. One of the largest ships repurposed...
Photographer's Mate 2nd Class Jeffrey P. Kraus/U.S. Navy