Abhijit Mitra
There are ongoing developments in the understanding of bacterial fish pathogens. New and emerging diseases are regularly recognised especially in aquaculture. Great emphasis is placed on better diagnoses, pathogenicity mechanisms, and disease control especially by immunoprophylaxis [1]. There is an interaction between some pollutants and occurrence of fish diseases. Some fish pathogens may also cause disease of humans, and include Edwardsiella tarda, Mycobacterium fortuitum, Myc [2]. marinum, Photobacterium damselae, Pseudomonas fluorescens, Streptococcus iniae and Vibrio vulnificus. 1966. The Japanese Society of Fish Pathology (formerly The Japan Research Group of Fish Pathology) was founded, and started issuing the quarterly academic journal "Fish Pathology". This journal is the oldest of its kind and keeps providing many significant and important data on fish diseases of the world [3].
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