The source for my comments:
1. A book I obtained at the local bookstore, World Atlas of Coral Reefs by Spalding, supported by UNEP, ICLARM, NASA, Aventis, MAC, ICRI, etc. , publisher is U of CA Press. Pgs. 56-65 discusses "Threats to reefs"--no mention of reefkeeping or the aquarium hobby. Pg...