:Colwellia rossensis

{{Short description|Species of bacterium}}

{{Speciesbox

| image =

| genus = Colwellia

| species = rossensis

| authority = Bowman et al. 1998

}}

Colwellia rossensis is a psychrophilic Antarctic bacterial species with the ability to synthesize docosahexaenoic acid. It is non-pigmented, curved rod-like shaped, exhibiting facultative anaerobic growth and possessing an absolute requirement for sea water. Its type strain is ACAM 608^T.{{cite journal|last1=Bowman|first1=J. P.|last2=Gosink|first2=J. J.|last3=McCAMMON|first3=S. A.|last4=Lewis|first4=T. E.|last5=Nichols|first5=D. S.|last6=Nichols|first6=P. D.|last7=Skerratt|first7=J. H.|last8=Staley|first8=J. T.|last9=McMEEKIN|first9=T. A.|title=Colwellia demingiae sp. nov., Colwellia hornerae sp. nov., Colwellia rossensis sp. nov. and Colwellia psychrotropica sp. nov.: psychrophilic Antarctic species with the ability to synthesize docosahexaenoic acid (22: 63)|journal=International Journal of Systematic Bacteriology|volume=48|issue=4|year=1998|pages=1171–1180|issn=0020-7713|doi=10.1099/00207713-48-4-1171|doi-access=free}}