shewanella aquimarina shewanella aquimarina shewanella aquimarina is a slightly halophilic, gram-negative, non-spore-forming, rod-shaped and motile bacterium from the genus of shewanella which has been isolated from water from the yellow sea in korea. shewanella aquimarina scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: shewanellaceae genus: shewanella species: s. aquimarina binomial name shewanella aquimarinayoon et al. 2004 type strain jcm 12193, kccm 41821, sw-120