Microbulbifer marinus is a Gram-negative and strictly aerobic bacterium from the genus of Microbulbifer which has been isolated from the gastrointestinal tract of the sea urchin Heliocidaris crassispina from Dokdo in Korea. References External links Type strain of Microbulbifer echini at BacDive - the Bacterial Diversity Metadatabase Alteromonadales Bacteria described in 2017