This group contains no cultured representatives and there is no physiological information from activated sludge species. Enrichment experiments with seawater suggest members of the group are generalists; appearing to utilise several different carbon sources aerobically (acetate, pyruvate, amino acids, glucose and glycolate) 1.
 Nguyen, Nielsen, Nielsen - 'Candidatus Halomonas phosphatis', a novel polyphosphate-accumulating organism in full-scale enhanced biological phosphorus removal plants. - Environ. Microbiol. 14(10): 2826-37. doi:10.1111/j.1462-2920.2012.02826.x