Fish identification is the process of recognizing and classifying different species of fish based on their physical characteristics, behaviors, and habitats. Key features used in identification include body shape, color patterns, fin structure, and scale type. Tools like field guides and apps can assist in identifying fish in various environments, such as freshwater lakes or saltwater oceans. Accurate fish identification is important for conservation efforts, fishing regulations, and ecological studies. By understanding the diversity of fish species, researchers and anglers can better manage fish populations and protect their habitats. This knowledge also enhances recreational fishing experiences and promotes sustainable practices.