aquibacter zeaxanthinifaciens aquibacter zeaxanthinifaciens aquibacter zeaxanthinifaciens is a gram-negative, zeaxanthin-producing, strictly aerobic, rod-shaped and non-spore-forming bacterium from the genus aquibacter which has been isolated from seawater near taichung in taiwan. aquibacter zeaxanthinifaciens scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: aquibacter species: a. zeaxanthinifaciens binomial name aquibacter zeaxanthinifacienshameed et al. 2014 type strain bcrc 80463, cc-amz-304, jcm 18557 synonyms gaetbulibacter bettii