The body is oval, elongated and flattened side with a long pointed mouth, tilted face, large mouth protruding above, below concave. Small scales, rough skin, small mouth, teeth together to form beaks. The mouth is small above the central erately strong teeth, 6 in the outer row of the upper jaw, 6 or less in the outer row of the lower jaw. Wear a small opening on the side of the chest. Light gray to brownish gray, brown spots and brown spots on upper, dorsal and anal fins slightly brown, dark brown caudal membrane.