(Genus):Lower jaw without barbel. Tip of lower jaw not projectiong beyond tip of upper jaw. Preopercular margin with spines. Swimbladder consisting of two chambers, anterior chamber with a pair of appendages. (Species):Preopercular margin with 9〜10 spines. Lower jaw with 5 sensory pores (1 apical and 2 pairs of lateral). Tip of snout projecting beyond upper jaw. Position of tip of upper jaw lower than ventral margin of eye in adults. Posterior margin of upper jaw not reaching to posterior margin of eye. Eye diameter 16.9〜21.1% of HL. Interorbital width 27.8〜31.1% of HL. Head covered with ctenoid scales, side of body including breast covered with ctenoid scales. Both tips of pectoral and ventral fins not reaching to anus.
Distribution:
Off Suriname.
Remarks:
S. microps is distinguishable from this species by bearing 6 sensory pores on lower jaw, breast covered with cycloid scales, and dorsal soft rays 19〜21 (FAO, 1978).