Here's an article that just goes to show no matter what the environment, something can live. Corals thriving in REALLY warm temps. As global warming becomes an issue, these corals can be fragged and seeded onto dieing or dead reefs. Check it out.
http://news.yahoo.com/s/afp/20080415/sc_afp/eritreaenvironment
http://news.yahoo.com/s/afp/20080415/sc_afp/eritreaenvironment