Mohamed Abdelsalam*
With the expansion of aquaculture practice worldwide, newly emerged diseases might be discovered among intensively farmed fishes. However, the real role of anaerobic bacterial pathogens in moribund fish is still obscure. This might be due to the difficulties in the isolation of anaerobes because of their fastidious nature. Effort should be gathered to reevaluate the actual role of anaerobes as primary or secondary pathogens in reared fishes.