Figure captions
Figure 1. Case 7. Cichilid fish. Mylochromis guentheri . Region of the mouth. A pinkish nodule bulging from the oral mucosa.
Figure 2. Case 9. Cichlid fish. Maylandia pulpican .a. Viscera. White-yellowish multifocal nodules in the perivisceral adipose tissue and the visceral organs (arrow) interpreted as granulomas. a. Spleen. Multifocal, coalescent granulomas developing from melano-macrophagic centers (MMC) dispersed within the splenic parenchyma. Hematoxylin & Eosin staining, 4x.c. Spleen, Acid-fast bacilli (arrowheads) are present within granulomas. Zeehl-Neelsen stain, 40x.d. Spleen, granular labelling to anti‐Mycobacterium antibody within granulomas. Immunohistochemistry, lens 40x.
Figure 3. Case 2. Cichlid fish. Aulonocara Jacobfreibergi. a. Skin. Multifocal, irregularly-round black areas of the integument and fins.b. Spleen. Multifocal, coalescent granulomas dispersed throught the splenic parenchyma. Hematoxylin & Eosin staining, 2.5x.c. Viscera. Scarce perivisceral adipose tissue and intestinal viscera showing a serous content.d. Spleen, variably sized round “Hamazaki-Wesenberg-like” bodies immunolabeled with PAB antibody within macrophages forming the granulomas. Immunohistochemistry, DAB staining, 40x.