NCIt definition : A species of aerobic, Gram positive, rod shaped bacterium assigned to the phylum Actinobacteria.
This species is acid fast, nonmotile with optimum growth on Lowenstein-Jensen medium,
urease and catalase positive, niacin and nitrate negative, and produces pigment when
cultured and exposed to light. M. marinum is commonly found in bodies of fresh or
saltwater and skin infections in humans are usually acquired from contact with aquariums
or fish.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Mycobacterium marinum.;