Length up to 32 cm. The body is strongly compressed laterally, very high, with hard muscles. Caudal stem laterally compressed, very short. . The color is silver with a bluish tint on the back. The dorsal, anal and caudal fins are yellowish with dark edges. The dorsal fin is one continuous. The pectoral fin is long, pterygoid. Its base is located at an angle of 45 ° to the axis of the body. The ventral fins are absent. The caudal fin consists of fairly hard rays, a deep-shaped form. Scales are very small, cycloid type, slightly falling. The skin is thin. The eyes are small. Adipose tissue around the eyes extends forward to the large nostrils. The anterior nostril is round, the posterior has the appearance of a long fissure. The mouth is small. The teeth are located on the jaws in 1 row, small, flattened. Gill stamens short, without denticles [1] .