Isolation and identification of Bacteria from Spoiled fishes collected from the fish vendors of visakhapatnam harbour, North Andhra Pradesh

Fish are classified as any of the cold-blooded aquatic vertebrates of the super class Pisces typically Showing gills, fins and a streamline body. In addition, ‘fish’ also refers to the flesh of such animals used as food. This super class of vertebrates includes all the bony and cartilaginous finfish, and excludes Molluscs and Crustacea. We most often like to consume sea food, and in this sea food fishes Play an important role and are important part of the daily diet for human being. Sometimes we find spoiled Fish, the spoilage is due to different types of bacteria that grow on the slime Of fish. An attempt was made to isolate and identify different types of genera in bacteria that at spoil the fish. The most commonly found genera include pseudomonas, Photobacterium. To identify and isolate this type of Bacteria, Samples were collected from Vishakhapatnam harbour from ten different species of fish. The Isolation and identification were done with the help of streak plate method. Different types of bacteria were identified which includes staphylococcus aureus, pseudomonas, Klebsiella, proteus species. The Bacteria were isolated based on the gram staining.