Description : V. Parahaemolyticus, V. Vulnificus and V. Cholera are pathogenic bacteria which can cause serious seafood poisoning. For the detection of those bacteria, conventional methods (TCBS) are long, require heavy workload and are not very sensitive. On the contrary, the medium CHROMagar vibrio helps to easily differentiate V.Parahaemolyticus, V. Vulnificus and V. Cholera from other vibrio directly at the isolation step by colony colour with sensitivity higher than conventional methods. V. Parahaemoliti