The family Acipenseridae, commonly known as sturgeons, is a group of fish that are found in freshwater and some saltwater environments. The species within this family are known for their large size, long lifespans, and valuable caviar eggs. There are several synonyms for the family Acipenseridae, including the sturgeon family, the paddlefish family, and the spoonfish family. These fish have distinctive features such as elongated snouts, cartilaginous skeletons, and bony plates on their skin. Sturgeons are also important for their commercial and ecological value, as they are often prized for their meat and eggs, and serve as key indicators of water quality in their respective habitats.