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The present paper is a review of the available literature on the significance of forage fish, the plethora of services they provide, and the threats faced by them. Forage fish are pelagic planktivorous species that operate as conduits of energy between the lower trophic level (plankton) and the upper trophic level (predators). A variety of ecosystem services are provided by them, from serving as prey for higher trophic levels to producing fish meal and oil. Forage fish have a consumption value for humans and cultural importance to many societies. Forage fish have faced constant natural and anthropogenic threats in the past, resulting in numerous fish collapses which subsequently impacted their predators. The economic benefit provided by forage fish has been estimated to be approximately $ 18.7 billion per annum. An introspection of the data on ecosystem services revealed lack of data on regulating and cultural services, eventually leading to a monetary underestimation and their commercial prioritization over the wider benefits they provide.

Manasbal Lake is the deepest freshwater lake in India and has suffered environmental degradation due to various human activities, such as agriculture, urban expansion, tourism, stone quarrying etc. The lake is in dire need of comprehensive restoration measures to restore its ecological balance, which is quite crucial for the region's economy and culture. Preserving this natural treasure safeguards biodiversity, supports local livelihoods and ensures that future generations can enjoy its unique beauty, making it a vital investment for the region's well-being and prosperity. The present study aims to consolidate data concerning the diverse biotic and abiotic elements of Manasbal Lake within the context of its management and preservation. It provides crucial insights into the hydrological and watershed features of Manasbal Lake, while also offering a comprehensive historical overview. Moreover, the document elaborates on the water quality indicators and key biotic components to delineate the ecological dynamics within the lake. Additionally, it outlines various environmental issues confronting the lake and proposes remedial actions to protect its ecosystem. Manasbal Lake is facing substantial ecological challenges due to human settlements, agricultural runoff, tourism, and stone quarrying. The influx of nutrients from household waste, sewage, and agricultural activities has led to significant eutrophication. Tourism has exacerbated this problem, with motorboat use and oil spills further polluting the lake. Stone quarrying has added excessive calcium, causing sedimentation and nutrient buildup, adversely affecting aquatic life and local vegetation. Addressing these issues requires comprehensive management strategies to regulate human activities, improve waste management, and restore the lake's ecological balance.This research could facilitate the endeavors of scholars interested in investigating the ecology of Manasbal Lake by offering a framework of the essential ecological facets linked to this water body.