Figure 1From: Mycobacterium chelonae associated with tumor-like skin and oral masses in farmed Russian sturgeons (Acipenser gueldenstaedtii)Macroscopic findings. (A) Pectoral fin: multiple cauliflower-like masses of medium size. (B) Pectoral fin: multiple large-sized ulcerated masses. (C) Oral cavity: large-sized lesions infiltrating the submucosa. (D) Detail of the Figure 1C: yellowish pasty component of the lesions.Back to article page