Colwelliaceae

{{Short description|Family of bacteria}}

{{Automatic taxobox

| taxon = Colwelliaceae

| subdivision_ranks = Genera

| subdivision =

Colwellia

Litorilituus{{cite journal|title=Litorilituus|website=www.uniprot.org|url=https://www.uniprot.org/taxonomy/1407056|language=en}}

Thalassotalea{{cite journal|title=Thalassotalea|website=www.uniprot.org|url=https://www.uniprot.org/taxonomy/1518149|language=en}}

Thalassomonas

}}

The Colwelliaceae are a family of Pseudomonadota.{{syn|date=May 2025}}{{cite journal |last1=Ivanova |first1=Elena P. |last2=Flavier |first2=Sébastien |last3=Christen |first3=Richard |title=Phylogenetic relationships among marine Alteromonas-like proteobacteria: emended description of the family Alteromonadaceae and proposal of Pseudoalteromonadaceae fam. nov., Colwelliaceae fam. nov., Shewanellaceae fam. nov., Moritellaceae fam. nov., Ferrimonadaceae fam. nov., Idiomarinaceae fam. nov. and Psychromonadaceae fam. nov. |journal=International Journal of Systematic and Evolutionary Microbiology |date=1 September 2004 |volume=54 |issue=5 |pages=1773–1788 |doi=10.1099/ijs.0.02997-0 |pmid=15388743 }}{{cite book |doi=10.1007/978-3-642-38922-1_230 |chapter=The Family Colwelliaceae |title=The Prokaryotes |date=2014 |last1=Bowman |first1=John P. |pages=179–195 |isbn=978-3-642-38921-4 }}{{cite book |doi=10.1016/B978-0-12-382219-2.00095-8 |chapter=The Cold-Active M1 Aminopeptidase from the Arctic Bacterium Colwellia psychrerythraea |title=Handbook of Proteolytic Enzymes |date=2013 |last1=Bauvois |first1=Cédric |last2=Huston |first2=Adrienne L. |last3=Feller |first3=Georges |pages=463–467 |hdl=2268/116182 |isbn=978-0-12-382219-2 }}{{cite journal |last1=Deming |first1=Jody W. |last2=Somers |first2=Leslie K. |last3=Straube |first3=William L. |last4=Swartz |first4=David G. |last5=Macdonell |first5=Michael T. |title=Isolation of an Obligately Barophilic Bacterium and Description of a New Genus, Colwellia gen. nov. |journal=Systematic and Applied Microbiology |date=March 1988 |volume=10 |issue=2 |pages=152–160 |doi=10.1016/S0723-2020(88)80030-4 |bibcode=1988SyApM..10..152D |doi-access=free }}{{cite journal |last1=Ivanova |first1=Elena P. |last2=Flavier |first2=Sébastien |last3=Christen |first3=Richard |title=Phylogenetic relationships among marine Alteromonas-like proteobacteria: emended description of the family Alteromonadaceae and proposal of Pseudoalteromonadaceae fam. nov., Colwelliaceae fam. nov., Shewanellaceae fam. nov., Moritellaceae fam. nov., Ferrimonadaceae fam. nov., Idiomarinaceae fam. nov. and Psychromonadaceae fam. nov. |journal=International Journal of Systematic and Evolutionary Microbiology |date=September 2004 |volume=54 |issue=5 |pages=1773–1788 |doi=10.1099/ijs.0.02997-0 |pmid=15388743 }} This family consists of facultative anaerobes and has non-motile and motile members.{{fact|date=May 2025}}

Colwelliaceae a family containing Gram-negative bacteria with rod to curved rod shaped cells that play a role in the decomposition of organic matter. With the family also containing facultative anaerobes, means that they are also they can grow with the presence of oxygen and without the presence of oxygen. As well as certain Colwelliaceae such as Colwellia psychrerythraea are psychrophilic bacteria meaning they can thrive in cold environments with them thriving at around the temperature of {{Convert|-6|to|18|C|F}}. They are usually found in cold marine environments such as sea ice, the pelagic zone particulates, and superficial marine sediments.{{fact|date=May 2025}}