Colwellia demingiae is a psychrophilic Antarctic bacterial species with the ability to synthesize docosahexaenoic acid.

It is nonpigmented, curved-rod-like in shape, exhibiting facultative anaerobic growth, and possessing an absolute requirement for sea water.

Its type strain is ACAM 459T.

[1] This bacteria is named after Jody Deming, a professor and researcher at University of Washington and her research mentor, Rita Colwell.

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