gayadomonas gayadomonas gayadomonas is a gram-negative, aerobic, rod-shaped and non-motile bacteria genus from the family of alteromonadaceae with one known species (gayadomonas joobiniege). gayadomonas joobiniege has been isolated from seawater from the gaya island in malaysia. gayadomonas scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: alteromonadaceae genus: gayadomonaslim et al. 2013 species g. joobiniege