marivivens donghaensis marivivens donghaensis marivivens donghaensis is a gram-negative and aerobic bacterium from the genus of marivivens which has been isolated from seawater from the sea of japan in korea. marivivens donghaensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: marivivens species: m. donghaensis binomial name marivivens donghaensispark et al. 2016 type strain cect 8947, kctc 42776, strain am-4