10 Facts About Artificial reef

An artificial reef is a human-created underwater structure, typically built to promote marine life in areas with a generally featureless bottom, to control erosion, block ship passage, block the use of trawling nets, or improve surfing.

Artificial reef communities tend to develop in more or less predictable stages.

Over months and years the Artificial reef structure becomes encrusted with algae, tunicates, hard and soft corals and sponges.

An electrified reef is an artificial reef where a small low voltage electric charge is applied to a sub-sea metallic structures that causes limestone to precipitate onto a metal frame onto which coral planulae can then attach and grow; the process speeds up post-attachment growth.

An artificial reef constructed of over 400 massive, geotextile bags filled with sand was constructed in 2000 at Narrowneck on the Gold Coast of Queensland, Australia.

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The only reef built in the U S for surfing is southern California's "Pratte's Reef", which was constructed in 2000 and removed in 2008 as planned.

Fish attracted to artificial reef zones vary from reef to reef depending on its age, size and structure.

Artificial reef serves as an artificial reef and recreational dive site.

Second-largest artificial reef is USNS Hoyt S Vandenberg, a former World War II era troop transport that served as a spacecraft-tracking ship after the war.

Underwater Chocolate Hills is an artificial reef project undertaken by Spindrift Reefs Dive Center off the coast of Panglao Island in the Philippines.