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Metal halide bulbs come in a variety of spectra from 5000k on up to 20,000k and allow for a variety of light-hungry corals to survive under them. Many aquarists will use metal halide bulbs in conjunction with either power compact fluorescents or T5 fluorescents since halide lighting does not have the overall balanced effect of other light types.
The majority of corals can be "fragged", whereby a portion of a larger captive coral is separated and can subsequently be raised into an individual specimen, allowing for coral propagation within the domestic aquarium; the trade in frags (i.e. fragments) offers a fantastic opportunity for marine aquarists to obtain new and unique corals while ...
Lighting: Several lighting options are available for the reef-keeper and are tailored to the types of coral kept. Canopy: The canopy houses the light fixtures and provides access to the tank for feeding and maintenance. Filtration and water movement: A variety of filtration and water movement strategies are employed in reef aquaria. Bulky ...
A new study has found that the free-living mushroom coral responds to specific types of light by “walking” towards it, suggesting remarkable adaptability in the marine species. Not all corals ...
The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (Nov. 17) (AP ...
Zooxanthellae require a mixture of white and blue light to thrive within the coral, depending on the coral type. [11] Some corals, like the orange cup coral, do not require light, and rely on the plankton or free-floating nutrients as sustenance. [12] Coral reefs protect the coastline from erosion and storm damage.
The "mega" coral is 112-feet wide, 105-feet long and 18-feet high, making it larger than a blue whale, the world's largest animal.
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