soft rays: 17;
Vertebrae: 30. Predorsal scales about 15. Small and cycloid scales on cheek; on body ctenoid. No serrae or spines on edges of opercular bones except a single stout spine on opercle. Body elongate, depth 5.7-6.2 in SL; whitish with 8 narrow dark bars, all but first and last broadly expanded dorsally to a Y-shape. Body cylindrical anteriorly, the width slightly greater than depth. Third or 4th dorsal spines longest; membrane of 5th dorsal spine connected directly across from spine tip to first soft ray. Caudal fin slightly rounded, upper corner projecting as a short, broad-based filament in adults. Mouth slightly oblique, the lower jaw projecting.