Quick Facts
- Related Topics:
- animal disease
- disease
Adding us as a Preferred Source tells Google you trust our content, so our articles show up more often in your Google Search, Discover feed, and AI Overviews.
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies.
Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
mouth fungus
fish disease
mouth fungus, fish disease caused by bacteria that attack the fish’s mouth and produce a fuzzy cottonlike growth, which hinders breathing and eats away the jaws. Mouth fungus can be treated with antibiotics as well as other commercially available medications.
This article was most recently revised and updated by Erik Gregersen.
Discover how ordinary objects work, and expand your understanding of the familiar.
" height="20" alt="HEW Logo">
By clicking "Sign Up", you consent to the Britannica Privacy Policy and Terms of Use.