This species is distinguished by the following characters: small, moderately elongate with head and body compressed; pale color with two black patches on anterior portion of dorsal fin; tail slender, attenuate, though not filiform; trunk length is 1.3-1.5 times HL; teeth small, conical, in about four rows on jaws, in a short oval patch on vomer; vertebrae with preanal 27-30, precaudal 35-37, total 109-111; preanal lateral-line pores 27-29 (Ref. 129368).