Halochromatium

{{short description|Genus of bacteria}}

{{Taxobox

| domain = Bacteria

| phylum = Pseudomonadota

| classis = Gammaproteobacteria

| ordo = Chromatiales

| familia = Chromatiaceae

| genus = Halochromatium

| genus_authority = Imhoff et al. 1998{{cite journal |title=Halochromatium |journal=LPSN |url=https://lpsn.dsmz.de/genus/halochromatium}}

| type_species = Halochromatium salexigens

| subdivision_ranks = Species

| subdivision = H. glycolicum

H. roseum

H. salexigens

| synonyms =

}}

Halochromatium is a Gram-positive and motile genus of bacteria from the family of Chromatiaceae.{{cite journal |title=Halochromatium |website=www.uniprot.org |url=https://www.uniprot.org/taxonomy/85074}}{{cite journal |last1=Parker |first1=Charles Thomas |last2=Wigley |first2=Sarah |last3=Garrity |first3=George M |editor-first1=Charles Thomas |editor-first2=George M |editor-last1=Parker |editor-last2=Garrity |title=Taxonomic Abstract for the genera. |date=9 February 2009 |doi=10.1601/tx.2094 |publisher=NamesforLife, LLC |language=en}}{{cite book |last1=Brenner |first1=Don J. |last2=Krieg |first2=Noel R. |last3=Staley |first3=James R. |title=Bergey's Manual® of Systematic Bacteriology: Volume 2: The Proteobacteria, Part B: The Gammaproteobacteria |date=2007 |publisher=Springer Science & Business Media |isbn=9780387280226 |language=en}} Halochromatium bacteria occur in microbial mats from hypersaline habitates.