Benthic Macrofauna refers to the Community of organisms living on, in, or near the bottom of water bodies, playing a crucial role in the Aquatic Ecosystem by contributing to Nutrient Cycling, Sediment Stability, and serving as a Food Source for Higher trophic levels. These organisms, typically Larger than 0.5 mm, include a Diverse range of species such as worms, mollusks, and crustaceans, whose Presence and diversity are Indicators of environmental health and Water Quality.