Blue eye - characteristic of Aeromonas infection (Furunculosis), though in this case the fish was infected with a different bacterium: Vibrio. This image is a perfect example of what the eye of a fish (both juveniles and adults) may look like when they have furunculosis, just not 100% of the time.


Host tissue: 


Photographer / Illustrator: 

Craig Banner

Image type: 

Regular photograph
Blue eye - characteristic of bacterial infection.
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