Swimming pool granuloma also known as fish tank granuloma  is a disease caused by Mycobacterium marinum. It is a type of non tuberculous mycobacteria belonging to the group ‘Photochromogens’ in Runyon’s Classification. It manifests as a warty skin lesion.

1. Mycobacterium marinum
2. Photochromogens
3. Oroya fever
4. Types of skin lesions