Also I'm not sure you can use physical appearance as an accurate indicator of overall coral health. Then again perhaps you can, but it's something to keep in mind.
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-Quinn
Man, n. ...His chief occupation is extermination of other animals and his own species, which, however, multiplies with such insistent rapidity as to infest the whole habitable earth, and Canada. - A. Bierce, Devil's Dictionary, 1906
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