Interpelvic process small and bifid. Swim bladder absent. Body entirely covered with small scales. Lateral line with many auxiliary branches extending dorsally and ventrally in anterior third, curving down toward caudal peduncle. Intestine with 2 folds and 3 limbs. Sides silvery white with several rows of round dark brownish spots scattered in about three irregular rows along the lateral line. First dorsal fin membrane black.