Geobacter psychrophilus is a Fe(III)-reducing bacterium. It is Gram-negative, slightly curved, rod-shaped and motile via means of monotrichous flagella. Its type strain is P35<sup>T</sup> (=ATCC BAA-1013<sup>T</sup> =DSM 16674<sup>T</sup> =JCM 12644<sup>T</sup>).