Pet fish diagnostics — history and acid-fast staining for Mycobacterium
Verbatim first-hand facts from Merck Veterinary Manual — Fish Management (saved first-hand text). Each bullet is an exact substring of the cited source and C1-substring verified (second-round health deepening, reusing saved Merck source).
Health facts
- As with all species, a good history is critical to establish a diagnosis.
- An acid-fast stain should be available for benchtop staining of granulomatous material which, when positive, is strongly suggestive of Mycobacterium .