Abstract: Faunistic survey of fresh water environment of jammu especially river tawi that is known as life line of jammu city winter capital of jk ut invites a research work at broader prospective due to its deteriorating condition.once there was a time when river tawi was graced with rich biodiversity but due to consistent and indefinite anthropogenic activities now the scenario have been changed.as it is evident from the fact that environmental changes caused by both human and natural or catastrophic activities worsen its condition.the man made changes includes denudation,soil erosion,alteration in vegetation pattern on stream banks,abstraction of stream water for agriculture ,domestic and industrial use collection of building material from the river bed and pollution caused by release of domestic and industrial effluents or water