A critical evaluation of published and own taxonomic and phylogenetic studi
es on Vibrio pelagius showed substantial diversity of strains received as t
ype strains from various Culture Collections. The comparison of data based
upon 16S rRNA sequence analyses, earlier genomic DNA-DNA similarity studies
as well as physiological investigations and the original description indic
ate that Vibrio pelagius strains CECT 4202(T) and ATCC 25916(T) really repr
esent the originally described type species whereas strains NCIMB 1900(T) a
nd CIP 102762(T) highly likely are representatives of Vibrio natriegens.