This species is distinguished by the following set of characters: modal D VI, I,9; A I,9; pectoral fin rays 19; longitudinal scale series 26-27; pelvic fins are fully joined medially by a membrane, innermost rays branched and about equal in length to the next ray and a distinct frenum between the two pelvic fin spines; a prominent, dark, upward-pointed triangle-marking on the stripe behind the eye, collection of small melanophores on the lower third of the pectoral fin base absent; bar of melanophores from the eyeball at 8 o’clock to the mid-maxillary absent; 2 or 3 discrete spots along the dorsal midline on the top of the head between the interorbital and dorsal fin; usually an incomplete upper eye-stripe; and a basicaudal marking that is typically a simple vertical bar (Ref. 75186).