“…The current edition of Bergey's Manual of Systematic Bacteriology lists only the type species, Chromobacterium violaceum (Gillis & Logan, 2005), but five additional species have been proposed since 2007, based on the recognition of significant genetic, metabolic and ecological differences: Chromobacterium subtsugae (Martin et al, 2007), C. aquaticum (Young et al, 2008), C. haemolyticum (Han et al, 2008), C. piscinae (Kämpfer et al, 2009) and C. pseudoviolaceum (Kämpfer et al, 2009). Detailed analyses of C. violaceum collected from geographically diverse tropical regions indicate that there is considerable genetic variability within Chromobacterium (Ponnusamy et al, 2011;Dall'Agnol et al, 2008;Lima-Bittencourt et al, 2007, 2011Barreto et al, 2008), a finding which tends to support the recognition of additional species within Chromobacterium, particularly if these differences can be tied to variations in vertebrate pathogenicity or significant differences in ecological adaptation (Vinatzer & Bull, 2009). …”