Amia Calva is a species of fish that belongs to the family Centrarchidae. Commonly known as the Bowfin, this fish is a primitive species that has a long cylindrical body, a dorsal fin that extends along the body, and a short, rounded tail. There are several synonyms used for Amia Calva, depending on the region and the language. In Europe, it is known as the Dog Fish, while in North America, it is sometimes called the Grinnel. Other common synonyms for Amia Calva include Mudfish, Choupique, and Swamp Trout. However, regardless of what it is called, Amia Calva remains a popular game fish and a unique species of fish.