Studying the role of light in aquatic ecosystems is crucial because it affects photosynthesis and the overall productivity of these environments. Light influences the growth of primary producers, such as phytoplankton, which form the base of the food web. Moreover, different wavelengths of light can affect behavioral patterns of aquatic organisms, including feeding and reproduction. Understanding light dynamics can help gauge the effects of pollution and climate change on aquatic health. This knowledge is vital for effective ecosystem management and for predicting responses of aquatic species to environmental changes.