An aerobic gram-positive coccus that produces a smooth gray-white colony. It produces free coagulase and hemolysins but not bound coagulase. It may be part of the normal flora of the carnivores. It is a significant opportunistic pathogen for immunocompromised patients and those patients that have had surgery or intravascular manipulations. It has been associated with brain empyema, wound infections, septicemia, and catheter infections.