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Vibrio cholerae  is the most common waterborne pathogen that can cause pandemic cholera in humans. Continuous monitoring of  V. cholerae  contamination in aquatic products is crucial for assuring food safety. In this study, we determined the virulence, cross-resistance between antibiotics and heavy metals, and genetic diversity of  V. cholerae  isolates from 36 species of aquatic food animals, nearly two-thirds of which have not been previously detected. None of the  V. cholerae  isolates (n = 203) harbored the cholera toxin genes  ctxAB  (0.0%). However, isolates carrying virulence genes  tcpA  (0.98%),  ace  (0.5%), and  zot  (0.5%) were discovered, which originated from the snail  Cipangopaludina chinensis . High occurrences were observed for virulence-associated genes, including  hapA  (73.4%),  rtxCABD  (68.0–41.9%),  tlh  (54.2%), and  hlyA  (37.9%). Resistance to moxfloxacin (74.9%) was most predominant resistance among the isolates, followed by ampicillin (59.1%) and rifampicin (32.5%). Approximately 58.6% of the isolates displayed multidrug resistant phenotypes. Meanwhile, high percentages of the isolates tolerated the heavy metals Hg 2+  (67.0%), Pb 2+  (57.6%), and Zn 2+  (57.6%). Distinct virulence and cross-resistance profiles were discovered among the  V. cholerae  isolates in 13 species of aquatic food animals. The ERIC-PCR-based genome fingerprinting of the 203  V. cholerae  isolates revealed 170 ERIC-genotypes, which demonstrated considerable genomic variation among the isolates. Overall, the results of this study provide useful data to fill gaps for policy and research related to the risk assessment of  V. cholerae  contamination in aquatic products.

antibiotics

First Experimental Evidence for the Presence of Potentially Toxic Vibrio cholerae in Snails, and Virulence, Cross-Resistance and Genetic Diversity of the Bacterium in 36 Species of Aquatic Food Animals