colwellia chukchiensis colwellia chukchiensis colwellia chukchiensis is a gram-negative, facultatively anaerobic, psychrotolerant and motile bacterium from the genus of colwellia which has been isolated from sea water from the chukchi sea. colwellia chukchiensis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: colwelliaceae genus: colwellia species: c. chukchiensis binomial name colwellia chukchiensisyu et al. 2011 type strain bcw111, cgmcc 1.9127, dsm 22576, lmg 25329, yu bcw111