Colwellia marinimaniae is a hyperpiezophilic bacterium from the genus Colwellia which has been isolated from deep regions of the Mariana Trench. It is, so far, the most piezophilic organism yet described, with an optimal growth pressure of 120 MPa (approximately 1,200 atmospheres). The species is catalase and oxidase positive.
References
External links Type strain of Colwellia marinimaniae at BacDive - the Bacterial Diversity Metadatabase Bacterium named after GW's Marine Mania (a high school science group, located on the island of Guam)