enhydrobacter aerosaccus enhydrobacter aerosaccus enhydrobacter aerosaccus is a gram negative, catalase- and oxidase-positive, non motile bacterium which contains gas vacuoles from the genus of enhydrobacter which was isolated from the wintergreen lake in michigan. enhydrobacter aerosaccus scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: moraxellaceae genus: enhydrobacter species: e. aerosaccus binomial name enhydrobacter aerosaccusstaley et al. 1987 type strain atcc 27094, dsm 8914, lmg 12227, lmg 21753, lmg 21877, ncimb 12535