With a dark mid-lateral stripe bordered by narrow white stripes above and below (Ref. 26938). Body depth contained in 8-14 times in SL; caudal fin in adults almost truncate with the upper and lower lobes longer than the middle rays; first dorsal fin replaced by a transversal, laminated, oval cephalic disc with 18-28 laminae (Ref. 10970); 21-28 laminae (according to K.R. Sreenath (pers. comm, 11/2010; email@example.com) .