sunfish means: One of many North American freshwater fish that are closely related to perch. Popular varieties include the Bluegill, Crappie, and Calico Bass, which are known for their vibrant, sunlit colors and unique shapes. They’re also commonly known as “Sunnies”. “. (in Cooking Dictionary)

What else does sunfish mean?

One of many North American freshwater fishes belonging to the Centrarchidae family. It has brightly colored, laterally compressed bodies, including crappies, bluegill and bluebass. (in Merlin Dictionary)

One of many large, marine fishes belonging to the Molidae family, particularly the ocean sunfish. (in Merlin Dictionary)