Hemolytic detection of the strains. A and B, The seven Vibrio strains were inoculated on Wagatsuma agar base plates for 24 h. C and D, The seven Vibrio strains were inoculated on Wagatsuma agar base plates for 48 h, all seven strains were hemolytic as obvious β-hemolytic rings appeared on the Wagatsuma agar base plates. E: Size of the seven strains’ β-hemolytic rings at 48h.