What kind of fish is aquatic fish? Water fish are a kind of ornamental fish that are commonly found in waters. They are usually small in stature and have strong vitality. They come in many varieties and have received widespread attention and love. In addition to having certain economic value in culture and ornamental culture, aquatic fish also have important ecological value and are important food and environmental indicator species in aquatic ecosystems. Classification of aquatic fish There are many ways to classify aquatic fish according to their living environment and characteristics. The most basic classification method is to divide aquatic fish into freshwater fish and saltwater fish according to their habits and ecological environment. Freshwater fish are mainly distributed in freshwater environments such as inland waters, rivers and lakes, including