A thermoacidophile (combination of thermophile and acidophile) is an extreme archeon which thrives in acidous, sulfur rich, high temperature environments. Thermoacidophiles prefer temperatures of 70 - 80 °C and pH between 2 and 3. They live mostly in hot springs and/or within deep ocean vent communities. Classified as an archeon and an extremophi... Found on http://en.wikipedia.org/wiki/Thermoacidophile