Sometimes the tips of Acropora sp. are naturally lighter than the rest of the coral... just a thought. A bleached coral will be very distinctly damaged in my experience.
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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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