Methanothermus is a genus of microbes within the family Methanothermaceae.

[1] The species within this genes are hyperthermophiles and strictly anaerobic.

They produce energy through the reduction of carbon dioxide with hydrogen to produce methane.

it is found in hydrothermal vents with temperatures as high as 85 °C and pH 6.5.

[2] This Euryarchaeota-related article is a stub.