Revista de Pesca e Aquicultura
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Microfloral Diversity in Fish: An Editorial

Subha Ganguly

It is well-known that the digestive tract structure in different fish species is distinct. The differences are highly prominent in the various stages of fish development. Hence the digestive tract structure is the first factor that affects and influences the formation of gastrointestinal bacteria communities. The formation of the regular microflora is indeed a complex process that takes place in the digestive tract of fish larvae and fry and it depends on fish spawn (lay and deposit large quantities of eggs in water) food and the microflora of the surrounding water. Lot of investigation has been carried on in order to study the formation of the microflora in the digestive tract of carp from the larval stage to adult fish and it has been ascertained that the formation of bacterioflora in the digestive tract of fish is a gradual process. The most dominant genera residing in the digestive tract of fish are Aeromonas, Pseudomonas,Clostridium and Bacteroides.