gangjinia gangjinia gangjinia is a gram-negative and strictly aerobic genus of bacteria from the family of flavobacteriaceae with one known species (gangjinia marincola). gangjinia marincola has been isolated from seawater from the gangjin bay. gangjinia scientific classification domain: bacteria phylum: bacteroidota class: flavobacteria order: flavobacteriales family: flavobacteriaceae genus: gangjinialee et al. 2011 type species gangjinia marincola species g. marincola