<prompt> which is responsible for the above conditionsporothrix schenkimycobacterium marinumrecketssia akarimycobacterium ulcerans  <response>: Fish Tank Granuloma Caused by atypical mycobacterial infection Recreational or occupational exposure to contaminated freshwater or saltwater Affects elbows, knees, feet, knuckles or fingers Often single lump which causes crusty sore or abscess Other lumps on course of lymphatic drainage More widespread if immuno-compromised Treated with long course of minocycline or co-trimoxazole 6-12 weeks ref : ananthanaryana 9th ed 