Roseomonas pecuniae is a species of Gram negative, strictly aerobic, coccobacilli-shaped, pinkish-red-colored bacterium. It was first isolated from the surface of a 50 Euro cent copper-alloy coin, and the species was first proposed in 2011. The species name comes from Latin pecuniae (of/from money or a coin).
The optimum growth temperature for R. pecuniae is 30 ðC, but can grow in the 10-35 ðC range. The optimum pH is 7.0.