Popular game fish (Lepomis macrochirus) and one of the best-known sunfishes throughout its original range, the freshwater habitats of the central and southern U.S. It has been introduced throughout the western U.S. and in other parts of the world. Bluegills are usually bluish or greenish and have a characteristic dark flap at the rear of the gill cover. Among the smallest of the food and game fishes, they normally are only 6–9 in. (15–23 cm) long and weigh less than 0.5 lbs (0.25 kg). Bluegills are known as highly spirited fighters on the end of a fishing line.

This entry comes from Encyclopædia Britannica Concise.
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