aquimarina rubra aquimarina rubra aquimarina rubra is a gram-negative, rod-shaped and non-motile bacterium from the genus of aquimarina which has been isolated from sediments from a pond which was cultivated with sea cucumbers from rongcheng in china. aquimarina rubra scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: aquimarina species: a. rubra binomial name aquimarina rubrahan et al. 2017 type strain ss2-9, kctc 52274, mccc 1h00142