General Information: Country: Japan; Environment: Hydrothermal vent, Deep sea, Fresh water; Isolation: Deep-sea hydrothermal vent chimney; Temp: Thermophile; Temp: 40 - 75C. This is a thermophilic, methane-producing archaeon isolated from a a deep-sea hydrothermal vent chimney at the Iheya Ridge, in the Okinawa Trough, Japan.