Commonly referred to as “brim” or “bream,” the Bluegill is the most common of all the sunfishes. It is a member of the sunfish or pan fish family, which also includes the crappie and Largemouth Bass. Other species of sunfish sometimes mistaken for Bluegills are redears, pumpkinseeds and Warmouths.

What's the difference between a brim and a bluegill?

Well here is Wikipedia's definition of this panfish: “The bluegill (Lepomis macrochirus) is a species of freshwater fish referred to as 'bream' or 'brim,' 'sunny,' 'copper nose,' or incorrectly 'perch. ... The Bluegill has a spinous dorsal fin with 10 spines connected to a soft dorsal.

What is the difference between crappie and bream?

Well first, let me be clear: A crappie is a specific type of fish in North America, and a bream is generic name for sunfish or smaller-sized panfish. (The exception being bream found in Europe as I discussed above). ... In the United States, bream typically refers to any smaller sized sunfish.