aeromonas lacus aeromonas lacus aeromonas lacus is a bacterium from the genus aeromonas which has been isolated from a humic lake in huutjärvi in finland. aeromonas lacus scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: aeromonadales family: aeromonadaceae genus: aeromonas species: a. finlandensis binomial name aeromonas finlandensisbeaz-hidalgo et al. 2015 type strain ae122, ae204, cect 8024, lmg 26710