| Aquatic plants are valuable and an essential part in structuring communities of lakes. Macrophytes influence various ecological processes and species diversity of flora and fauna. Inspite of this, overgrown plants may become nuisance and act as an obstacle in utilization of water, endangering the structure and function of various species. Now-a-days to overcome these problems a herbivorous fish Ctenopharyngodon idella is used as a biocontrol agent as it consumes massive amount of aquatic weeds. The present study is intended to examine morphological and ecological aspects of grass carp with its significance in controlling aquatic weeds. In this concept an interactive and complete presentation of facts and information is discussed here which will provide a lime light on this biological control agent. Thorough understanding of these impacts is essential as these factors determine the appropriate management of aquatic water bodies.
Keywords: Aquatic weeds, macrophytes, grass carp, biological control
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