Bluegill (Lepomis macrochirus) is a species of freshwater sunfish native to North America. Known for its distinct dark spot at the rear of its dorsal fin and vibrant coloration, it is widely found in lakes, ponds, rivers, and reservoirs. Bluegill are omnivorous, feeding on insects, small fish, and plankton. A popular target for anglers, they are valued for their feisty fight and adaptability, making them a key species in recreational fishing and aquaculture.