Aquatic Animal Epidemiology plays a pivotal role in understanding and managing the health of marine and freshwater species. This interdisciplinary field investigates the patterns, causes, and effects of diseases within aquatic animal populations. Researchers in aquatic animal epidemiology employ a range of methodologies, including data analysis, surveillance, and modeling, to identify potential threats and develop strategies for disease prevention and control. As aquatic environments face increasing challenges from climate change, pollution, and emerging pathogens, the importance of this discipline becomes even more pronounced. Studying the epidemiology of diseases in aquatic animals not only contributes to the conservation of diverse marine life but also holds implications for human health, given the interconnectedness of ecosystems. Through comprehensive surveillance and research, aquatic animal epidemiologists strive to safeguard the health of aquatic ecosystems and the myriad species that inhabit them.