Personally I think you need to do more reading and find out what's out there. Summarizing all the information here would be foolish. Get out there, buy a few books, browse the big websites like Reef Central, Reefs.org, Wet Web Media...
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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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