It was first discovered in a Bavarian brown trout hatchery by Emmerich and Weibel in 1894 . " Aeromonas salmonicida's " ability to infect a variety of hosts, multiply, and adapt, make it a prime virulent bacterium . " A . salmonicida " is an etiological agent for furunculosis, a disease that causes septicemia, haemorrhages, muscle lesions, inflammation of the lower intestine, spleen enlargement, and death in freshwater fish populations.
