The genus Edwardsiella, which consists of the three species
Edwardsiella tarda, Edwardsiella hoshinae and Edwardsiella
ictaluri, belongs to the family Enterobacteriaceae. This genus
is a genetically distinct taxon related to other members of
the family Enterobacteriaceae. Edwardsiella bacteria differ
strongly in their biochemical and physiological features,
natural habitats, and pathogenic properties. High intrinsic