Deep and slab-sided sunfish with a moderate-sized mouth, the upper jaw nearly reaching the front of the eye. Back and sides are blue-green speckled with yellow and emerald; the belly is yellow or orange. Side of head is olive or light orange with sky-blue vermiculations. Elongated ear flap is black and often bordered in white. Rounded pectoral fin. Most closely related to bluegill, green sunfish, and other sunfishes.