The Graysby is a smaller species of grouper. They vary from pale gray to dark brown; has many darker orangish, red-brown spots on its body, fins, and chin. There are three to five distinctive marks, like pale or dark spots, that run along the base of the dorsal fin. A white line runs between the eyes from the nape to the lower lip. The spots change color, either growing pale or darkening in contrast with the body. The tail is more rounded than in similar species.