Vibrio

also known as
vibriosis

Vibrio is a groups of bacteria that can infect many animals. In fish, Vibrio infections are typically characterised by presence of red lesions. Blue patches in the eyes can be a sign of vibrio infection (though more commonly infection with the related bacteria Aeromonas).

Distribution
common
Hosts
animals
Detection Methods:
bacterial culture - unspecified media
Target tissue
many