spines: 0. Total scutes 29 to 32. Vertical striae on scales overlapping or continuous (discontinuous in S. fimbriata and S. albella), only a few small perforations on hind part of scale. No dark spot at dorsal fin origin. Most closely resembles S. richardsoni, which has more gill rakers and has a slightly deeper body; S. hualiensis has black tips to dorsal and caudal fins.