The aerobic
Metallosphaera grows between 50 and 80°C with an optimum temperature of 75°C. They grow in acidic condition with an optimum pH of 2. The cells are cocci and the
Metallosphaera DNA is 45 %GC.
Taken from the text Brock Biology of Microorganisms (10th ed.). Madigan, M.T., Martinko, J.M., and Parker, J. 2003. Prentice Hall. 464p.