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The clean-up crew is the term that has been used by many aquarists and vendors since the late 1980s to refer to various small animals commonly sold for use in keeping the reef aquarium clear of pest algae, detritus and parasites. [1] Among the most popular have long been blue-legged hermit crabs, scarlet hermit crabs, emerald crabs and various ...
Cleaning stations may be associated with coral reefs, located either on top of a coral head or in a slot between two outcroppings. Other cleaning stations may be located under large clumps of floating seaweed or at an accepted point in a river or lagoon. Cleaning stations are an exhibition of mutualism.
In 2007, Reef Check, the world's largest reef conservation organization, stated that only 5% of Philippines 27,000 square kilometres (10,000 sq mi) of coral reef are in "excellent condition": Tubbataha Reef, Marine Park in Palawan, Apo Island in Negros Oriental, Apo Reef in Puerto Galera, Mindoro, and Verde Island Passage off Batangas.
Reef Check is an international non-governmental organization dedicated to the conservation of two reef ecosystems: tropical coral reefs and Californian rocky reefs. The Foundation is headquartered in Los Angeles, California, United States, but uses data from volunteer scuba diver teams in over 80 countries, ranging from Australia, Japan, to even Germany.
By enabling users to care for a virtual pet, the pocket-sized devices mimicked all the responsibilities of real pet ownership, including feeding, cleaning, and playing with their pixelated companions.
Hull cleaning may be done by divers using hand held or self-propelled mechanical brushing equipment, water jets or scrapers. [ 6 ] : 2–3, 5 Non-destructive testing and inspection including fouling surveys , inspection of known or suspected damage to structure, equipment or coatings, and inspection of repairs.