Genus Mysis is a type of freshwater shrimp commonly found in water bodies such as lakes and rivers. There are different synonyms used for Genus Mysis depending on the region or the species. In North America, it is also referred to as opossum shrimp or Mysis relicta. Some other common synonyms are Mysis salemaai, Mysis stenolepis, and Mysis segerstralei. Genus Mysis is known for its crucial role in the aquatic ecosystem as it serves as an important food source for many species of fish. The use of proper synonyms is important in scientific research and communication to avoid confusion and ensure accuracy.